323280256628 has 48 divisors (see below), whose sum is σ = 701290929024. Its totient is φ = 127218293760.

The previous prime is 323280256627. The next prime is 323280256639. The reversal of 323280256628 is 826652082323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323280256627) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8262926 + ... + 8301957.

It is an arithmetic number, because the mean of its divisors is an integer number (14610227688).

Almost surely, 2^323280256628 is an apocalyptic number.

It is an amenable number.

323280256628 is an abundant number, since it is smaller than the sum of its proper divisors (378010672396).

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

323280256628 is a wasteful number, since it uses less digits than its factorization.

323280256628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16564952 (or 16564950 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 323280256628 in words is "three hundred twenty-three billion, two hundred eighty million, two hundred fifty-six thousand, six hundred twenty-eight".