Fatto generale: 2373 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2373 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 2373 is an unremarkable number.
Data storica: June 30th is the day in 2009 that Yemenia Flight 626 crashes into the Indian Ocean, near Comoros, killing all but one of the 153 passengers and crew on board.