328223452815 has 24 divisors (see below), whose sum is σ = 593656333920. Its totient is φ = 167441529024.

The previous prime is 328223452787. The next prime is 328223452867. The reversal of 328223452815 is 518254322823.

328223452815 is a `hidden beast` number, since 3 + 2 + 8 + 22 + 345 + 281 + 5 = 666.

It is not a de Polignac number, because 328223452815 - 2⁹ = 328223452303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158561020 + ... + 158563089.

It is an arithmetic number, because the mean of its divisors is an integer number (24735680580).

Almost surely, 2^328223452815 is an apocalyptic number.

328223452815 is a deficient number, since it is larger than the sum of its proper divisors (265432881105).

328223452815 is a wasteful number, since it uses less digits than its factorization.

328223452815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317124143 (or 317124140 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The spelling of 328223452815 in words is "three hundred twenty-eight billion, two hundred twenty-three million, four hundred fifty-two thousand, eight hundred fifteen".