23210131232 has 12 divisors (see below), whose sum is σ = 45694945926. Its totient is φ = 11605065600.

The previous prime is 23210131193. The next prime is 23210131249. The reversal of 23210131232 is 23213101232.

It can be written as a sum of positive squares in only one way, i.e., 19859573776 + 3350557456 = 140924^2 + 57884^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362658269 + ... + 362658332.

Almost surely, 2^23210131232 is an apocalyptic number.

It is an amenable number.

23210131232 is a deficient number, since it is larger than the sum of its proper divisors (22484814694).

23210131232 is an equidigital number, since it uses as much as digits as its factorization.

23210131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725316611 (or 725316603 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23210131232 its reverse (23213101232), we get a palindrome (46423232464).

The spelling of 23210131232 in words is "twenty-three billion, two hundred ten million, one hundred thirty-one thousand, two hundred thirty-two".