23021251332 has 12 divisors (see below), whose sum is σ = 53716253136. Its totient is φ = 7673750440.

The previous prime is 23021251327. The next prime is 23021251361. The reversal of 23021251332 is 23315212032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×23021251332² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959218794 + ... + 959218817.

It is an arithmetic number, because the mean of its divisors is an integer number (4476354428).

Almost surely, 2^23021251332 is an apocalyptic number.

It is an amenable number.

23021251332 is an abundant number, since it is smaller than the sum of its proper divisors (30695001804).

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

23021251332 is a wasteful number, since it uses less digits than its factorization.

23021251332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918437618 (or 1918437616 counting only the distinct ones).

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

Adding to 23021251332 its reverse (23315212032), we get a palindrome (46336463364).

The spelling of 23021251332 in words is "twenty-three billion, twenty-one million, two hundred fifty-one thousand, three hundred thirty-two".