320311113023 has 4 divisors (see below), whose sum is σ = 349430305128. Its totient is φ = 291191920920.

The previous prime is 320311112987. The next prime is 320311113037.

320311113023 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 320311113023 - 2⁸ = 320311112767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320311112986 and 320311113004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320311113323) 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, 14559596036 + ... + 14559596057.

It is an arithmetic number, because the mean of its divisors is an integer number (87357576282).

Almost surely, 2^320311113023 is an apocalyptic number.

320311113023 is a deficient number, since it is larger than the sum of its proper divisors (29119192105).

320311113023 is a wasteful number, since it uses less digits than its factorization.

320311113023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29119192104.

The product of its (nonzero) digits is 324, while the sum is 20.

It can be divided in two parts, 320311 and 113023, that added together give a palindrome (433334).

The spelling of 320311113023 in words is "three hundred twenty billion, three hundred eleven million, one hundred thirteen thousand, twenty-three".