328407704823 has 24 divisors (see below), whose sum is σ = 481816914544. Its totient is φ = 198822349440.

The previous prime is 328407704813. The next prime is 328407704843.

328407704823 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 328407704823 - 2⁶ = 328407704759 is a prime.

It is a super-2 number, since 2×328407704823² (a number of 24 digits) 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 (328407704813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142636 + ... + 822897.

Almost surely, 2^328407704823 is an apocalyptic number.

328407704823 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

328407704823 is a deficient number, since it is larger than the sum of its proper divisors (153409209721).

328407704823 is a wasteful number, since it uses less digits than its factorization.

328407704823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966495 (or 966484 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 328407704823 in words is "three hundred twenty-eight billion, four hundred seven million, seven hundred four thousand, eight hundred twenty-three".