328717823 has 8 divisors (see below), whose sum is σ = 383344800. Its totient is φ = 281757840.

The previous prime is 328717721. The next prime is 328717847.

328717823 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 328717823 - 2¹⁰ = 328716799 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 (328717853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478838 + ... + 479523.

It is an arithmetic number, because the mean of its divisors is an integer number (47918100).

Almost surely, 2^328717823 is an apocalyptic number.

328717823 is a deficient number, since it is larger than the sum of its proper divisors (54626977).

328717823 is an frugal number, since it uses more digits than its factorization.

328717823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958382 (or 958368 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 328717823 is about 18130.5770178447. The cubic root of 328717823 is about 690.1461729106.

The spelling of 328717823 in words is "three hundred twenty-eight million, seven hundred seventeen thousand, eight hundred twenty-three".