Hecho matemático: 6723 is a value of n for which 3n and 8n together use each digit exactly once.
Trivia: 6723 is an unremarkable number.
Fecha histórica: May 28th is the day in 1995 that the Russian town of Neftegorsk is hit by a 7.6 magnitude earthquake that kills at least 2,000 people, half of the total population.