323120100 has 72 divisors (see below), whose sum is σ = 975562560. Its totient is φ = 82417280.

The previous prime is 323120093. The next prime is 323120129. The reversal of 323120100 is 1021323.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16515 + ... + 30314.

It is an arithmetic number, because the mean of its divisors is an integer number (13549480).

Almost surely, 2^323120100 is an apocalyptic number.

323120100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323120100 is an abundant number, since it is smaller than the sum of its proper divisors (652442460).

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

323120100 is a wasteful number, since it uses less digits than its factorization.

323120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46869 (or 46862 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 323120100 is about 17975.5417164546. The cubic root of 323120100 is about 686.2062324235.

Adding to 323120100 its reverse (1021323), we get a palindrome (324141423).

The spelling of 323120100 in words is "three hundred twenty-three million, one hundred twenty thousand, one hundred".