15423311604972 has 192 divisors, whose sum is σ = 37659889612800. Its totient is φ = 4909760593920.

The previous prime is 15423311604901. The next prime is 15423311604977. The reversal of 15423311604972 is 27940611332451.

It is not an unprimeable number, because it can be changed into a prime (15423311604977) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1464835804 + ... + 1464846332.

It is an arithmetic number, because the mean of its divisors is an integer number (196145258400).

Almost surely, 2^{15423311604972} is an apocalyptic number.

15423311604972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15423311604972 is an abundant number, since it is smaller than the sum of its proper divisors (22236578007828).

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

15423311604972 is a wasteful number, since it uses less digits than its factorization.

15423311604972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11096 (or 11094 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 15423311604972 in words is "fifteen trillion, four hundred twenty-three billion, three hundred eleven million, six hundred four thousand, nine hundred seventy-two".