23538856 has 24 divisors (see below), whose sum is σ = 48514410. Its totient is φ = 10699040.

The previous prime is 23538841. The next prime is 23538857. The reversal of 23538856 is 65883532.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18404100 + 5134756 = 4290^2 + 2266^2 .

It is not an unprimeable number, because it can be changed into a prime (23538857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11191 + ... + 13126.

Almost surely, 2^23538856 is an apocalyptic number.

It is an amenable number.

23538856 is an abundant number, since it is smaller than the sum of its proper divisors (24975554).

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

23538856 is a wasteful number, since it uses less digits than its factorization.

23538856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24345 (or 24330 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 23538856 is about 4851.6858925532. The cubic root of 23538856 is about 286.5904959573.

The spelling of 23538856 in words is "twenty-three million, five hundred thirty-eight thousand, eight hundred fifty-six".