General fact: 85823 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 85823 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 85823 is an unremarkable number.
Historical date: December 22nd is the day in 1998 that Hurricane Quinto strikes the Cayman Islands, knocking out power to the entire island for 2 days.