323999712 has 144 divisors (see below), whose sum is σ = 985709088. Its totient is φ = 100700160.

The previous prime is 323999567. The next prime is 323999729. The reversal of 323999712 is 217999323.

It is a happy number.

323999712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270988 + ... + 272180.

It is an arithmetic number, because the mean of its divisors is an integer number (6845202).

Almost surely, 2^323999712 is an apocalyptic number.

323999712 is a gapful number since it is divisible by the number (32) 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 323999712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492854544).

323999712 is an abundant number, since it is smaller than the sum of its proper divisors (661709376).

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

323999712 is a wasteful number, since it uses less digits than its factorization.

323999712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1262 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 323999712 is about 17999.9919999982. The cubic root of 323999712 is about 686.8283420272.

The spelling of 323999712 in words is "three hundred twenty-three million, nine hundred ninety-nine thousand, seven hundred twelve".