320323111003121 has 16 divisors (see below), whose sum is σ = 333811366669440. Its totient is φ = 306998020452480.

The previous prime is 320323111003111. The next prime is 320323111003127. The reversal of 320323111003121 is 121300111323023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320323111003121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320323111003127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52788500 + ... + 58542906.

It is an arithmetic number, because the mean of its divisors is an integer number (20863210416840).

Almost surely, 2^{320323111003121} is an apocalyptic number.

It is an amenable number.

320323111003121 is a deficient number, since it is larger than the sum of its proper divisors (13488255666319).

320323111003121 is a wasteful number, since it uses less digits than its factorization.

320323111003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5768584.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 320323111003121 its reverse (121300111323023), we get a palindrome (441623222326144).

The spelling of 320323111003121 in words is "three hundred twenty trillion, three hundred twenty-three billion, one hundred eleven million, three thousand, one hundred twenty-one".