It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8923 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a plaindrome in base 15.
28923 is an apocalyptic number.
8923 is an equidigital number, since it uses as much as digits as its factorization.
8923 is an evil number, because the sum of its binary digits is even.
The square root of 8923 is about 94.4616324229. The cubic root of 8923 is about 20.7413473383.
Adding to 8923 its reverse (3298), we get a palindrome (12221).
Subtracting from 8923 its reverse (3298), we obtain a square (5625 = 752).
The spelling of 8923 in words is "eight thousand, nine hundred twenty-three".