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.

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."

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.

Eric Trump, the heir apparent to the Trump Organization, could face particularly high stakes on the stand.

Gaining power in his family's firm once his father became U.S. president, Eric Trump is responsible for "all aspects of management and operation of the Trump Organization," according to New York Attorney General Letitia James.

While his brother Donald Trump Jr. was sparsely mentioned by witnesses during the first five weeks of the trial, Eric Trump was described by witnesses as involved in the day-to-day operations of the company, as well as leading projects for multiple properties that were allegedly inflated in his father's statements of financial condition.

Unlike his brother Donald Trump Jr. -- who certified those statements between 2016 and 2021 -- Eric Trump is alleged to have signed "several guarantor compliance certificates" for his father, that relied on the financial statements.

"I've done a lot to jog my memory and I simply can't, because I don't think I've had any involvement in the statement of financial condition, to the best of my knowledge," Eric Trump said during the deposition he gave in the course of the AG's investigation.

As part of the penalty she is seeking, James has requested that the court bar Eric Trump -- as well as his brother and father -- from serving as an officer in any New York State corporation or business entity.