423372 has 12 divisors (see below), whose sum is σ = 987896. Its totient is φ = 141120.

The previous prime is 423347. The next prime is 423389. The reversal of 423372 is 273324.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423372.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17629 + ... + 17652.

2⁴²³³⁷² is an apocalyptic number.

It is an amenable number.

423372 is an abundant number, since it is smaller than the sum of its proper divisors (564524).

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

423372 is a wasteful number, since it uses less digits than its factorization.

423372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35288 (or 35286 counting only the distinct ones).

The product of its digits is 1008, while the sum is 21.

The square root of 423372 is about 650.6704234864. The cubic root of 423372 is about 75.0886063887.

Adding to 423372 its reverse (273324), we get a palindrome (696696).

The spelling of 423372 in words is "four hundred twenty-three thousand, three hundred seventy-two", and thus it is an iban number.