23131112232 has 32 divisors (see below), whose sum is σ = 58182562080. Its totient is φ = 7663066560.

The previous prime is 23131112209. The next prime is 23131112243. The reversal of 23131112232 is 23221113132.

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

It is a junction number, because it is equal to n+sod(n) for n = 23131112199 and 23131112208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2952519 + ... + 2960342.

It is an arithmetic number, because the mean of its divisors is an integer number (1818205065).

Almost surely, 2^23131112232 is an apocalyptic number.

It is an amenable number.

23131112232 is an abundant number, since it is smaller than the sum of its proper divisors (35051449848).

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

23131112232 is a wasteful number, since it uses less digits than its factorization.

23131112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913033 (or 5913029 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 23131112232 its reverse (23221113132), we get a palindrome (46352225364).

The spelling of 23131112232 in words is "twenty-three billion, one hundred thirty-one million, one hundred twelve thousand, two hundred thirty-two".