23156832 has 48 divisors (see below), whose sum is σ = 61372080. Its totient is φ = 7644672.

The previous prime is 23156831. The next prime is 23156843. The reversal of 23156832 is 23865132.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 23156832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23156831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9358 + ... + 11570.

It is an arithmetic number, because the mean of its divisors is an integer number (1278585).

Almost surely, 2^23156832 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 23156832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30686040).

23156832 is an abundant number, since it is smaller than the sum of its proper divisors (38215248).

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

23156832 is a wasteful number, since it uses less digits than its factorization.

23156832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2327 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 23156832 is about 4812.1546109825. The cubic root of 23156832 is about 285.0316246840.

The spelling of 23156832 in words is "twenty-three million, one hundred fifty-six thousand, eight hundred thirty-two".