23138832 has 40 divisors (see below), whose sum is σ = 60103296. Its totient is φ = 7670656.

The previous prime is 23138813. The next prime is 23138833. The reversal of 23138832 is 23883132.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 23138832.

It is not an unprimeable number, because it can be changed into a prime (23138833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8233 + ... + 10679.

Almost surely, 2^23138832 is an apocalyptic number.

It is an amenable number.

23138832 is an abundant number, since it is smaller than the sum of its proper divisors (36964464).

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

23138832 is a wasteful number, since it uses less digits than its factorization.

23138832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655 (or 2649 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 23138832 is about 4810.2839833008. The cubic root of 23138832 is about 284.9577530484.

The spelling of 23138832 in words is "twenty-three million, one hundred thirty-eight thousand, eight hundred thirty-two".