323145984 has 216 divisors, whose sum is σ = 1036455168. Its totient is φ = 89026560.

The previous prime is 323145983. The next prime is 323146003. The reversal of 323145984 is 489541323.

Its product of digits (103680) is a multiple of the sum of its prime divisors (320).

It is not an unprimeable number, because it can be changed into a prime (323145983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1166454 + ... + 1166730.

Almost surely, 2^323145984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323145984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518227584).

323145984 is an abundant number, since it is smaller than the sum of its proper divisors (713309184).

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

323145984 is a wasteful number, since it uses less digits than its factorization.

323145984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 320 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 323145984 is about 17976.2616803383. The cubic root of 323145984 is about 686.2245551131.

The spelling of 323145984 in words is "three hundred twenty-three million, one hundred forty-five thousand, nine hundred eighty-four".