John Catsimatidis, self-made billionaire businessman and recently former NYC Mayoral candidate (2013) will back this year’s Daily News Citizenship NOW, the News reported.

That initiative, the largest program of its kind in the nation, according to the News, gives free and confidential immigration information each year, and reports to have helped more than 123,000  callers.

Born on the tiny Greek island of Nisyros 65 years ago, and brought to the United States as an infant,

Catsimatidis became a U.S. citizen at age 6, and still recalls the experience, he told the News.

“I remember having to put up my right hand and swear to pledge allegiance to our country. “It was a proud day.”

“I was always interested in immigration, he added. “And I think our immigrants, who are the backbone of our country, should get a fair share.”

Recalling his own success story, Catsimatidis told the News about the song “‘Only in America.’ Go to sleep a pauper and wake up a millionaire.”

This year’s Citizenship NOW! hotline will be take place April 28 to May 2, the News reported, from (AM to 7PM.

The call-in phone numbers will be announced April 28 in the Daily News, online atwww.nydailynews.com and www.cuny.edu/citizenshipnow/call-in, and on WXTV Univision 41.