2321313310123 has 4 divisors (see below), whose sum is σ = 2321328681288. Its totient is φ = 2321297938960.

The previous prime is 2321313310049. The next prime is 2321313310133. The reversal of 2321313310123 is 3210133131232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321313310123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321313310133) 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, 7456786 + ... + 7761847.

It is an arithmetic number, because the mean of its divisors is an integer number (580332170322).

Almost surely, 2^{2321313310123} is an apocalyptic number.

2321313310123 is a deficient number, since it is larger than the sum of its proper divisors (15371165).

2321313310123 is a wasteful number, since it uses less digits than its factorization.

2321313310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371164.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2321313310123 its reverse (3210133131232), we get a palindrome (5531446441355).

The spelling of 2321313310123 in words is "two trillion, three hundred twenty-one billion, three hundred thirteen million, three hundred ten thousand, one hundred twenty-three".