23131523344 has 30 divisors (see below), whose sum is σ = 46416069050. Its totient is φ = 11166935808.

The previous prime is 23131523299. The next prime is 23131523357. The reversal of 23131523344 is 44332513132.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 84640000 + 23046883344 = 9200^2 + 151812^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 846069 + ... + 872980.

Almost surely, 2^23131523344 is an apocalyptic number.

It is an amenable number.

23131523344 is an abundant number, since it is smaller than the sum of its proper divisors (23284545706).

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

23131523344 is a wasteful number, since it uses less digits than its factorization.

23131523344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719115 (or 1719080 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The spelling of 23131523344 in words is "twenty-three billion, one hundred thirty-one million, five hundred twenty-three thousand, three hundred forty-four".