323983872 has 60 divisors (see below), whose sum is σ = 935052690. Its totient is φ = 107993088.

The previous prime is 323983843. The next prime is 323983873. The reversal of 323983872 is 278389323.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 310323456 + 13660416 = 17616^2 + 3696^2 .

It is a super-2 number, since 2×323983872² = 209931098632224768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323983873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30547 + ... + 39762.

Almost surely, 2^323983872 is an apocalyptic number.

323983872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

323983872 is an abundant number, since it is smaller than the sum of its proper divisors (611068818).

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

323983872 is an equidigital number, since it uses as much as digits as its factorization.

323983872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70333 (or 70314 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 323983872 is about 17999.5519944248. The cubic root of 323983872 is about 686.8171490767.

The spelling of 323983872 in words is "three hundred twenty-three million, nine hundred eighty-three thousand, eight hundred seventy-two".