Hecho general: 84237 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 84237 is a boring number.
Trivia: 84237 is an uninteresting number.
Fecha histórica: August 19th is the day in 2003 that a Hamas planned suicide attack on a bus in Jerusalem kills 23 Israelis, 7 of them children in the Jerusalem bus 2 massacre.