Hecho general: 7623 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 7623 is an uninteresting number.
Trivia: 7623 is an unremarkable number.
Fecha histórica: November 13th is the day in 1916 that Prime Minister of Australia Billy Hughes is expelled from the Labor Party over his support for conscription.