880

Number
$880$ (eight hundred and eighty) is:


 * $2^4 \times 5 \times 11$


 * The $7$th and last of the $3$-digit integers $m$ which need the largest number of reverse-and-add process iterations ($23$) before reaching a palindromic number:
 * $880, 968, 1837, \ldots, 8713200023178$