23772130312 has 32 divisors (see below), whose sum is σ = 51064876800. Its totient is φ = 10163136384.

The previous prime is 23772130301. The next prime is 23772130313. The reversal of 23772130312 is 21303127732.

It is a happy number.

It is a super-2 number, since 2×23772130312² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23772130313) 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, 496048 + ... + 541855.

It is an arithmetic number, because the mean of its divisors is an integer number (1595777400).

Almost surely, 2^23772130312 is an apocalyptic number.

It is an amenable number.

23772130312 is an abundant number, since it is smaller than the sum of its proper divisors (27292746488).

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

23772130312 is a wasteful number, since it uses less digits than its factorization.

23772130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038325 (or 1038321 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The spelling of 23772130312 in words is "twenty-three billion, seven hundred seventy-two million, one hundred thirty thousand, three hundred twelve".