323256120 has 128 divisors (see below), whose sum is σ = 1113696000. Its totient is φ = 74234880.

The previous prime is 323256107. The next prime is 323256133. The reversal of 323256120 is 21652323.

It is an interprime number because it is at equal distance from previous prime (323256107) and next prime (323256133).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18636 + ... + 31524.

It is an arithmetic number, because the mean of its divisors is an integer number (8700750).

Almost surely, 2^323256120 is an apocalyptic number.

323256120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323256120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556848000).

323256120 is an abundant number, since it is smaller than the sum of its proper divisors (790439880).

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

323256120 is a wasteful number, since it uses less digits than its factorization.

323256120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12933 (or 12929 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 323256120 is about 17979.3247926612. The cubic root of 323256120 is about 686.3025069230.

The spelling of 323256120 in words is "three hundred twenty-three million, two hundred fifty-six thousand, one hundred twenty".