423331332 has 24 divisors (see below), whose sum is σ = 989034816. Its totient is φ = 140930208.

The previous prime is 423331309. The next prime is 423331333. The reversal of 423331332 is 233133324.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (423331333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12568 + ... + 31695.

It is an arithmetic number, because the mean of its divisors is an integer number (41209784).

Almost surely, 2^423331332 is an apocalyptic number.

It is an amenable number.

423331332 is an abundant number, since it is smaller than the sum of its proper divisors (565703484).

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

423331332 is a wasteful number, since it uses less digits than its factorization.

423331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45067 (or 45065 counting only the distinct ones).

The product of its digits is 3888, while the sum is 24.

The square root of 423331332 is about 20575.0171810378. The cubic root of 423331332 is about 750.8620204037.

Adding to 423331332 its reverse (233133324), we get a palindrome (656464656).

The spelling of 423331332 in words is "four hundred twenty-three million, three hundred thirty-one thousand, three hundred thirty-two".