323997120 has 336 divisors, whose sum is σ = 1217249280. Its totient is φ = 78796800.

The previous prime is 323997119. The next prime is 323997161. The reversal of 323997120 is 21799323.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1696225 + ... + 1696415.

Almost surely, 2^323997120 is an apocalyptic number.

323997120 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 323997120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608624640).

323997120 is an abundant number, since it is smaller than the sum of its proper divisors (893252160).

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

323997120 is a wasteful number, since it uses less digits than its factorization.

323997120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 323997120 is about 17999.9199998222. The cubic root of 323997120 is about 686.8265104784.

The spelling of 323997120 in words is "three hundred twenty-three million, nine hundred ninety-seven thousand, one hundred twenty".