23539632 has 80 divisors (see below), whose sum is σ = 65352960. Its totient is φ = 7278336.

The previous prime is 23539627. The next prime is 23539639. The reversal of 23539632 is 23693532.

It is a super-2 number, since 2×23539632² = 1108228549390848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23539593 and 23539602.

It is not an unprimeable number, because it can be changed into a prime (23539639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48093 + ... + 48579.

It is an arithmetic number, because the mean of its divisors is an integer number (816912).

Almost surely, 2^23539632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23539632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32676480).

23539632 is an abundant number, since it is smaller than the sum of its proper divisors (41813328).

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

23539632 is a wasteful number, since it uses less digits than its factorization.

23539632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 564 counting only the distinct ones).

The product of its digits is 29160, while the sum is 33.

The square root of 23539632 is about 4851.7658640953. The cubic root of 23539632 is about 286.5936452434.

The spelling of 23539632 in words is "twenty-three million, five hundred thirty-nine thousand, six hundred thirty-two".