323981005679 has 6 divisors (see below), whose sum is σ = 324186553224. Its totient is φ = 323775588360.

The previous prime is 323981005669. The next prime is 323981005687. The reversal of 323981005679 is 976500189323.

It is a de Polignac number, because none of the positive numbers 2^k-323981005679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323981005679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323981005619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2486894 + ... + 2613924.

It is an arithmetic number, because the mean of its divisors is an integer number (54031092204).

Almost surely, 2^323981005679 is an apocalyptic number.

323981005679 is a deficient number, since it is larger than the sum of its proper divisors (205547545).

323981005679 is an frugal number, since it uses more digits than its factorization.

323981005679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130225 (or 128628 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 323981005679 in words is "three hundred twenty-three billion, nine hundred eighty-one million, five thousand, six hundred seventy-nine".