423477312172 has 12 divisors (see below), whose sum is σ = 780089785720. Its totient is φ = 200594516256.

The previous prime is 423477312151. The next prime is 423477312179. The reversal of 423477312172 is 271213774324.

It is not an unprimeable number, because it can be changed into a prime (423477312179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2786034873 + ... + 2786035024.

Almost surely, 2^423477312172 is an apocalyptic number.

It is an amenable number.

423477312172 is a deficient number, since it is larger than the sum of its proper divisors (356612473548).

423477312172 is a wasteful number, since it uses less digits than its factorization.

423477312172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5572069920 (or 5572069918 counting only the distinct ones).

The product of its digits is 395136, while the sum is 43.

The spelling of 423477312172 in words is "four hundred twenty-three billion, four hundred seventy-seven million, three hundred twelve thousand, one hundred seventy-two".