23211132312 has 64 divisors (see below), whose sum is σ = 58655520000. Its totient is φ = 7653585024.

The previous prime is 23211132289. The next prime is 23211132319. The reversal of 23211132312 is 21323111232.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211132319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1675189 + ... + 1688987.

It is an arithmetic number, because the mean of its divisors is an integer number (916492500).

Almost surely, 2^23211132312 is an apocalyptic number.

It is an amenable number.

23211132312 is an abundant number, since it is smaller than the sum of its proper divisors (35444387688).

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

23211132312 is a wasteful number, since it uses less digits than its factorization.

23211132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14560 (or 14556 counting only the distinct ones).

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

Adding to 23211132312 its reverse (21323111232), we get a palindrome (44534243544).

The spelling of 23211132312 in words is "twenty-three billion, two hundred eleven million, one hundred thirty-two thousand, three hundred twelve".