23312400421332 has 72 divisors (see below), whose sum is σ = 62937059063200. Its totient is φ = 6692555136960.

The previous prime is 23312400421283. The next prime is 23312400421333.

It is a happy number.

23312400421332 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×23312400421332² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23312400421332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312400421333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422482207 + ... + 422537382.

Almost surely, 2^{23312400421332} is an apocalyptic number.

23312400421332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23312400421332 is an abundant number, since it is smaller than the sum of its proper divisors (39624658641868).

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

23312400421332 is a wasteful number, since it uses less digits than its factorization.

23312400421332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845019637 (or 845019624 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

It can be divided in two parts, 23312400 and 421332, that added together give a palindrome (23733732).

The spelling of 23312400421332 in words is "twenty-three trillion, three hundred twelve billion, four hundred million, four hundred twenty-one thousand, three hundred thirty-two".