323000400 has 60 divisors (see below), whose sum is σ = 1034681792. Its totient is φ = 86133120.

The previous prime is 323000389. The next prime is 323000411. The reversal of 323000400 is 4000323.

It is an interprime number because it is at equal distance from previous prime (323000389) and next prime (323000411).

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133384 + ... + 135783.

Almost surely, 2^323000400 is an apocalyptic number.

323000400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

323000400 is an abundant number, since it is smaller than the sum of its proper divisors (711681392).

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

323000400 is a wasteful number, since it uses less digits than its factorization.

323000400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269188 (or 269177 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 323000400 is about 17972.2118839057. The cubic root of 323000400 is about 686.1214868125.

Adding to 323000400 its reverse (4000323), we get a palindrome (327000723).

The spelling of 323000400 in words is "three hundred twenty-three million, four hundred", and thus it is an aban number.