423474837291 has 40 divisors (see below), whose sum is σ = 690200376624. Its totient is φ = 256616743680.

The previous prime is 423474837277. The next prime is 423474837347. The reversal of 423474837291 is 192738474324.

423474837291 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 7 + 483 + 72 + 91 = 666.

It is not a de Polignac number, because 423474837291 - 2²¹ = 423472740139 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (423474837091) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7578631 + ... + 7634303.

Almost surely, 2^423474837291 is an apocalyptic number.

423474837291 is a deficient number, since it is larger than the sum of its proper divisors (266725539333).

423474837291 is a wasteful number, since it uses less digits than its factorization.

423474837291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64233 (or 64224 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 423474837291 in words is "four hundred twenty-three billion, four hundred seventy-four million, eight hundred thirty-seven thousand, two hundred ninety-one".