23538560 has 32 divisors (see below), whose sum is σ = 56273400. Its totient is φ = 9415168.

The previous prime is 23538547. The next prime is 23538569. The reversal of 23538560 is 6583532.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23538569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17750 + ... + 19029.

Almost surely, 2^23538560 is an apocalyptic number.

23538560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23538560 is an abundant number, since it is smaller than the sum of its proper divisors (32734840).

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

23538560 is an equidigital number, since it uses as much as digits as its factorization.

23538560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36798 (or 36786 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 23538560 is about 4851.6553875971. The cubic root of 23538560 is about 286.5892946649.

The spelling of 23538560 in words is "twenty-three million, five hundred thirty-eight thousand, five hundred sixty".