23312133312 has 112 divisors (see below), whose sum is σ = 66503458560. Its totient is φ = 7164453888.

The previous prime is 23312133311. The next prime is 23312133323. The reversal of 23312133312 is 21333121332.

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

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

It is not an unprimeable number, because it can be changed into a prime (23312133311) 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, 2288743 + ... + 2298905.

It is an arithmetic number, because the mean of its divisors is an integer number (593780880).

Almost surely, 2^23312133312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23312133312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33251729280).

23312133312 is an abundant number, since it is smaller than the sum of its proper divisors (43191325248).

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

23312133312 is a wasteful number, since it uses less digits than its factorization.

23312133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110 (or 11100 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

Adding to 23312133312 its reverse (21333121332), we get a palindrome (44645254644).

The spelling of 23312133312 in words is "twenty-three billion, three hundred twelve million, one hundred thirty-three thousand, three hundred twelve".