18323332 has 12 divisors (see below), whose sum is σ = 32811856. Its totient is φ = 8948520.

The previous prime is 18323321. The next prime is 18323359. The reversal of 18323332 is 23332381.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18323297 and 18323306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53094 + ... + 53437.

Almost surely, 2^18323332 is an apocalyptic number.

It is an amenable number.

18323332 is a deficient number, since it is larger than the sum of its proper divisors (14488524).

18323332 is a wasteful number, since it uses less digits than its factorization.

18323332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106578 (or 106576 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 18323332 is about 4280.5761294480. The cubic root of 18323332 is about 263.6340391536.

The spelling of 18323332 in words is "eighteen million, three hundred twenty-three thousand, three hundred thirty-two".