23508828 has 54 divisors (see below), whose sum is σ = 69132336. Its totient is φ = 6716304.

The previous prime is 23508809. The next prime is 23508907. The reversal of 23508828 is 82880532.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23508792 and 23508801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4900 + ... + 8427.

Almost surely, 2^23508828 is an apocalyptic number.

23508828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23508828 is an abundant number, since it is smaller than the sum of its proper divisors (45623508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23508828 is a wasteful number, since it uses less digits than its factorization.

23508828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13351 (or 13339 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 23508828 is about 4848.5903105954. The cubic root of 23508828 is about 286.4685783728.

It can be divided in two parts, 23508 and 828, that added together give a square (24336 = 156²).

The spelling of 23508828 in words is "twenty-three million, five hundred eight thousand, eight hundred twenty-eight".