23212057271320 has 32 divisors (see below), whose sum is σ = 52231337431920. Its totient is φ = 9284074718080.

The previous prime is 23212057271191. The next prime is 23212057271323. The reversal of 23212057271320 is 2317275021232.

It is a self number, because there is not a number n which added to its sum of digits gives 23212057271320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212057271323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22878226 + ... + 23871265.

Almost surely, 2^{23212057271320} is an apocalyptic number.

23212057271320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212057271320 is an abundant number, since it is smaller than the sum of its proper divisors (29019280160600).

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

23212057271320 is a wasteful number, since it uses less digits than its factorization.

23212057271320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46761915 (or 46761911 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 23212057271320 in words is "twenty-three trillion, two hundred twelve billion, fifty-seven million, two hundred seventy-one thousand, three hundred twenty".