23213121332 has 48 divisors (see below), whose sum is σ = 43518888000. Its totient is φ = 10802398464.

The previous prime is 23213121319. The next prime is 23213121367. The reversal of 23213121332 is 23312131232.

It is a junction number, because it is equal to n+sod(n) for n = 23213121298 and 23213121307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051019 + ... + 1072877.

It is an arithmetic number, because the mean of its divisors is an integer number (906643500).

Almost surely, 2^23213121332 is an apocalyptic number.

It is an amenable number.

23213121332 is a deficient number, since it is larger than the sum of its proper divisors (20305766668).

23213121332 is a wasteful number, since it uses less digits than its factorization.

23213121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22128 (or 22126 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 23213121332 its reverse (23312131232), we get a palindrome (46525252564).

The spelling of 23213121332 in words is "twenty-three billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred thirty-two".