323240432 has 40 divisors (see below), whose sum is σ = 641750592. Its totient is φ = 157651200.

The previous prime is 323240387. The next prime is 323240443. The reversal of 323240432 is 234042323.

It is a junction number, because it is equal to n+sod(n) for n = 323240398 and 323240407.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 316082 + ... + 317102.

Almost surely, 2^323240432 is an apocalyptic number.

It is an amenable number.

323240432 is a deficient number, since it is larger than the sum of its proper divisors (318510160).

323240432 is a wasteful number, since it uses less digits than its factorization.

323240432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 323240432 is about 17978.8885084701. Note that the first 3 decimals coincide. The cubic root of 323240432 is about 686.2914043872.

Adding to 323240432 its reverse (234042323), we get a palindrome (557282755).

The spelling of 323240432 in words is "three hundred twenty-three million, two hundred forty thousand, four hundred thirty-two".