329974479923 has 4 divisors (see below), whose sum is σ = 359972159928. Its totient is φ = 299976799920.

The previous prime is 329974479917. The next prime is 329974479931.

329974479923 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 not a de Polignac number, because 329974479923 - 2⁴ = 329974479907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (329974479223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14998839986 + ... + 14998840007.

It is an arithmetic number, because the mean of its divisors is an integer number (89993039982).

Almost surely, 2^329974479923 is an apocalyptic number.

329974479923 is a deficient number, since it is larger than the sum of its proper divisors (29997680005).

329974479923 is a wasteful number, since it uses less digits than its factorization.

329974479923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29997680004.

The product of its digits is 185177664, while the sum is 68.

The spelling of 329974479923 in words is "three hundred twenty-nine billion, nine hundred seventy-four million, four hundred seventy-nine thousand, nine hundred twenty-three".