328580623 has 32 divisors (see below), whose sum is σ = 407552000. Its totient is φ = 264049632.

The previous prime is 328580591. The next prime is 328580639. The reversal of 328580623 is 326085823.

It is not a de Polignac number, because 328580623 - 2⁵ = 328580591 is a prime.

It is a super-2 number, since 2×328580623² = 215930451622136258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328580653) 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 31 ways as a sum of consecutive naturals, for example, 827461 + ... + 827857.

It is an arithmetic number, because the mean of its divisors is an integer number (12736000).

Almost surely, 2^328580623 is an apocalyptic number.

328580623 is a deficient number, since it is larger than the sum of its proper divisors (78971377).

328580623 is a wasteful number, since it uses less digits than its factorization.

328580623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 328580623 is about 18126.7929595944. The cubic root of 328580623 is about 690.0501419838.

The spelling of 328580623 in words is "three hundred twenty-eight million, five hundred eighty thousand, six hundred twenty-three".