23131332132 has 48 divisors (see below), whose sum is σ = 57188436480. Its totient is φ = 7251753472.

The previous prime is 23131332113. The next prime is 23131332173. The reversal of 23131332132 is 23123313132.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254158 + ... + 332954.

It is an arithmetic number, because the mean of its divisors is an integer number (1191425760).

Almost surely, 2^23131332132 is an apocalyptic number.

It is an amenable number.

23131332132 is an abundant number, since it is smaller than the sum of its proper divisors (34057104348).

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

23131332132 is a wasteful number, since it uses less digits than its factorization.

23131332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80260 (or 80258 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

Adding to 23131332132 its reverse (23123313132), we get a palindrome (46254645264).

The spelling of 23131332132 in words is "twenty-three billion, one hundred thirty-one million, three hundred thirty-two thousand, one hundred thirty-two".