323317040 has 40 divisors (see below), whose sum is σ = 752764320. Its totient is φ = 129145856.

The previous prime is 323316997. The next prime is 323317081. The reversal of 323317040 is 40713323.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 323316997 and 323317015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64712 + ... + 69528.

It is an arithmetic number, because the mean of its divisors is an integer number (18819108).

Almost surely, 2^323317040 is an apocalyptic number.

It is an amenable number.

323317040 is an abundant number, since it is smaller than the sum of its proper divisors (429447280).

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

323317040 is a wasteful number, since it uses less digits than its factorization.

323317040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669 (or 5663 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 323317040 is about 17981.0188810312. The cubic root of 323317040 is about 686.3456171381.

The spelling of 323317040 in words is "three hundred twenty-three million, three hundred seventeen thousand, forty".