423946791132 has 48 divisors (see below), whose sum is σ = 990713348352. Its totient is φ = 141100881280.

The previous prime is 423946791091. The next prime is 423946791137. The reversal of 423946791132 is 231197649324.

It is a super-2 number, since 2×423946791132² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423946791137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23831113 + ... + 23848895.

It is an arithmetic number, because the mean of its divisors is an integer number (20639861424).

Almost surely, 2^423946791132 is an apocalyptic number.

It is an amenable number.

423946791132 is an abundant number, since it is smaller than the sum of its proper divisors (566766557220).

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

423946791132 is a wasteful number, since it uses less digits than its factorization.

423946791132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20698 (or 20696 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 51.

The spelling of 423946791132 in words is "four hundred twenty-three billion, nine hundred forty-six million, seven hundred ninety-one thousand, one hundred thirty-two".