Former President Donald Trump and New York Attorney General Letitia James, in separate media appearances, addressed the ruling Friday evening, trading barbs while reacting to the judgment.

Speaking from his Mar-a-Lago estate in Florida, Trump said he had to pay a fine for "having built a perfect company." Accusing both James and Judge Arthur Engoron of being politically motivated, Trump denied committing any fraud and said he plans to appeal.

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Trump responds to ruling: 'A crooked New State judge just ruled I need to pay a fine'

Meanwhile, in New York, James lauded the ruling as a victory for all Americans and the principles of equal justice under the law -- saying "former presidents are no exception."

"The scale and scope of Donald Trump's fraud is staggering -- and so, too, is his ego and his belief that the rules don't apply to him," she said.

James also heralded Judge Engoron's penalties as effective remedies to "ensure this fraud cannot continue."

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Letitia James delivers remarks after Trump ruling

Based on Friday's decision, former President Trump and his co-defendants will likely owe $463.9 million based on their initial fine and the prejudgment interest imposed by the court, according to a representative for the New York attorney general.

Trump himself will likely owe $453.5 million, between his $354.86 million fine and $98.6 million in interest.

The amount of interest owed by the defendants is set to increase every day they do not pay the fines.

New York Attorney General Letitia James, whose office brought the civil fraud case against Donald Trump, described the ruling as a "tremendous victory for this state, this nation, and for everyone who believes that we all must play by the same rules -- even former presidents."

“When powerful people cheat to get better loans, it comes at the expense of honest and hardworking people," James said in a statement. "Everyday Americans cannot lie to a bank to get a mortgage to buy a home, and if they did, our government would throw the book at them. There simply cannot be different rules for different people."

The former president is "finally facing accountability for his lying, cheating, and staggering fraud," she said.

In addition to the fines imposed on Donald Trump and his co-defendants, the judge's decision leaves the Trump Organization in a constrained position to continue operating their New York-based businesses.

While Judge Engoron backtracked on his September summary judgment ruling -- vacating the part of his order that canceled their business certificates -- Donald Trump and his sons are temporarily unable to lead their namesake company. Trump faces a three-year ban on serving as the leader of a New York company, and his sons face two-year bans.

An independent monitor will continue to oversee the company's finances for at least three years, and the company needs to install a director of compliance.

Regarding the combined $364 million owed by the defendants, experts who ABC News spoke with believe it is unlikely any of them foot the bill immediately; instead, they can cover the fine with a bond while they appeal.

Judge Arthur Engoron has denied Donald Trump's most recent motion for a directed verdict to end his civil fraud trial.

In a blistering ruling, the judge not only denied the motion but also opted to explain the flaws he sees in many of Trump's arguments at trial.

Addressing the testimony of defense accounting expert Eli Bartov, who Trump proudly and repeatedly declared found "no accounting fraud of any kind," Engoron flatly dismissed Bartov's findings by saying he lost credibility by "doggedly attempting to justify every misstatement."

"Bartov is a tenured professor, but all that his testimony proves is that for a million or so dollars, some experts will say whatever you want them to say," Engoron wrote.

The judge also rejected assertions from Trump's lawyers that any financial misstatements are beyond the case's statute of limitations.

"Closing is not a get-out-of-jail-free card for future misstatements. All that §63(12) requires is a false statement used in business; the subject financial statements fit that definition 'to a T,'" Engoron wrote.

Engoron also suggested he didn't buy Trump's argument that fining the former president for ill-gotten gains was not merited in the case because his lenders were happy with the transactions.

"That the instant lenders made millions of dollars and were happy with the transactions does not mean that they were not damaged by lending at lower interest rates than they otherwise would have," he wrote.

Calling Trump's claims "misstatements at best and fraud at worst," Engoron wrote that "Valuations, as elucidated ad nauseum in this trial, can be based on different criteria analyzed in different ways. But a lie is still a lie."

The judge ended his ruling by reminding the parties about the date for closing arguments in the case, currently set for Jan. 11.