23312123133132 has 48 divisors (see below), whose sum is σ = 55018306062720. Its totient is φ = 7681696057728.

The previous prime is 23312123133119. The next prime is 23312123133139. The reversal of 23312123133132 is 23133132121332.

It is a super-2 number, since 2×23312123133132² (a number of 28 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23312123133132.

It is not an unprimeable number, because it can be changed into a prime (23312123133139) 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, 2417583 + ... + 7243545.

It is an arithmetic number, because the mean of its divisors is an integer number (1146214709640).

Almost surely, 2^{23312123133132} is an apocalyptic number.

It is an amenable number.

23312123133132 is an abundant number, since it is smaller than the sum of its proper divisors (31706182929588).

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

23312123133132 is a wasteful number, since it uses less digits than its factorization.

23312123133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830582 (or 4830580 counting only the distinct ones).

The product of its digits is 11664, while the sum is 30.

Adding to 23312123133132 its reverse (23133132121332), we get a palindrome (46445255254464).

The spelling of 23312123133132 in words is "twenty-three trillion, three hundred twelve billion, one hundred twenty-three million, one hundred thirty-three thousand, one hundred thirty-two".