323253440 has 28 divisors (see below), whose sum is σ = 769748016. Its totient is φ = 129301248.

The previous prime is 323253421. The next prime is 323253443. The reversal of 323253440 is 44352323.

It is not an unprimeable number, because it can be changed into a prime (323253443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504764 + ... + 505403.

Almost surely, 2^323253440 is an apocalyptic number.

It is an amenable number.

323253440 is an abundant number, since it is smaller than the sum of its proper divisors (446494576).

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

323253440 is a wasteful number, since it uses less digits than its factorization.

323253440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010184 (or 1010174 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 323253440 is about 17979.2502624553. The cubic root of 323253440 is about 686.3006102889.

The spelling of 323253440 in words is "three hundred twenty-three million, two hundred fifty-three thousand, four hundred forty".