23131320231032 has 64 divisors (see below), whose sum is σ = 46776087277920. Its totient is φ = 10660318414848.

The previous prime is 23131320231017. The next prime is 23131320231037. The reversal of 23131320231032 is 23013202313132.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 23131320230992 and 23131320231010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131320231037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308969348 + ... + 309044204.

Almost surely, 2^{23131320231032} is an apocalyptic number.

It is an amenable number.

23131320231032 is an abundant number, since it is smaller than the sum of its proper divisors (23644767046888).

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

23131320231032 is a wasteful number, since it uses less digits than its factorization.

23131320231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79200 (or 79196 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 23131320231032 its reverse (23013202313132), we get a palindrome (46144522544164).

The spelling of 23131320231032 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred twenty million, two hundred thirty-one thousand, thirty-two".