423157817292 has 96 divisors (see below), whose sum is σ = 1198912942080. Its totient is φ = 113468454720.

The previous prime is 423157817281. The next prime is 423157817377. The reversal of 423157817292 is 292718751324.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1068184 + ... + 1409727.

It is an arithmetic number, because the mean of its divisors is an integer number (12488676480).

Almost surely, 2^423157817292 is an apocalyptic number.

423157817292 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

423157817292 is an abundant number, since it is smaller than the sum of its proper divisors (775755124788).

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

423157817292 is a wasteful number, since it uses less digits than its factorization.

423157817292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478051 (or 2478049 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The spelling of 423157817292 in words is "four hundred twenty-three billion, one hundred fifty-seven million, eight hundred seventeen thousand, two hundred ninety-two".