23028504 has 32 divisors (see below), whose sum is σ = 59129520. Its totient is φ = 7468416.

The previous prime is 23028493. The next prime is 23028527. The reversal of 23028504 is 40582032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12079 + ... + 13854.

Almost surely, 2^23028504 is an apocalyptic number.

23028504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23028504 is an abundant number, since it is smaller than the sum of its proper divisors (36101016).

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

23028504 is a wasteful number, since it uses less digits than its factorization.

23028504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25979 (or 25975 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 23028504 is about 4798.8023505871. The cubic root of 23028504 is about 284.5041300442.

It can be divided in two parts, 23028 and 504, that added together give a palindrome (23532).

The spelling of 23028504 in words is "twenty-three million, twenty-eight thousand, five hundred four".