423172232 has 36 divisors (see below), whose sum is σ = 923879655. Its totient is φ = 181184976.

The previous prime is 423172213. The next prime is 423172271. The reversal of 423172232 is 232271324.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 211586116 + 211586116 = 14546^2 + 14546^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14546.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 406769 + ... + 407807.

Almost surely, 2^423172232 is an apocalyptic number.

It is an amenable number.

423172232 is an abundant number, since it is smaller than the sum of its proper divisors (500707423).

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

423172232 is an equidigital number, since it uses as much as digits as its factorization.

423172232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098 (or 1048 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 423172232 is about 20571.1504782790. The cubic root of 423172232 is about 750.7679434894.

The spelling of 423172232 in words is "four hundred twenty-three million, one hundred seventy-two thousand, two hundred thirty-two".