328323823 has 4 divisors (see below), whose sum is σ = 328380640. Its totient is φ = 328267008.

The previous prime is 328323797. The next prime is 328323887.

It is a happy number.

328323823 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328323823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328323893) 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 3 ways as a sum of consecutive naturals, for example, 18615 + ... + 31672.

It is an arithmetic number, because the mean of its divisors is an integer number (82095160).

Almost surely, 2^328323823 is an apocalyptic number.

328323823 is a deficient number, since it is larger than the sum of its proper divisors (56817).

328323823 is an equidigital number, since it uses as much as digits as its factorization.

328323823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56816.

The product of its digits is 41472, while the sum is 34.

The square root of 328323823 is about 18119.7081378261. The cubic root of 328323823 is about 689.8703270987.

The spelling of 328323823 in words is "three hundred twenty-eight million, three hundred twenty-three thousand, eight hundred twenty-three".