423421132 has 12 divisors (see below), whose sum is σ = 741240360. Its totient is φ = 211638176.

The previous prime is 423421127. The next prime is 423421139. The reversal of 423421132 is 231124324.

It is a super-2 number, since 2×423421132² = 358570910048322848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423421139) 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, 3658 + ... + 29329.

It is an arithmetic number, because the mean of its divisors is an integer number (61770030).

Almost surely, 2^423421132 is an apocalyptic number.

It is an amenable number.

423421132 is a deficient number, since it is larger than the sum of its proper divisors (317819228).

423421132 is a wasteful number, since it uses less digits than its factorization.

423421132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36200 (or 36198 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 423421132 is about 20577.1993235231. The cubic root of 423421132 is about 750.9151093494.

Adding to 423421132 its reverse (231124324), we get a palindrome (654545456).

The spelling of 423421132 in words is "four hundred twenty-three million, four hundred twenty-one thousand, one hundred thirty-two".