23012135232 has 56 divisors (see below), whose sum is σ = 61045441536. Its totient is φ = 7650659328.

The previous prime is 23012135227. The next prime is 23012135299. The reversal of 23012135232 is 23253121032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 82933 + ... + 230004.

Almost surely, 2^23012135232 is an apocalyptic number.

It is an amenable number.

23012135232 is an abundant number, since it is smaller than the sum of its proper divisors (38033306304).

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

23012135232 is a wasteful number, since it uses less digits than its factorization.

23012135232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313335 (or 313325 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 23012135232 its reverse (23253121032), we get a palindrome (46265256264).

The spelling of 23012135232 in words is "twenty-three billion, twelve million, one hundred thirty-five thousand, two hundred thirty-two".