3122111321323 has 4 divisors (see below), whose sum is σ = 3122264303928. Its totient is φ = 3121958338720.

The previous prime is 3122111321269. The next prime is 3122111321359. The reversal of 3122111321323 is 3231231112213.

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-3122111321323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122111321383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76460686 + ... + 76501507.

It is an arithmetic number, because the mean of its divisors is an integer number (780566075982).

Almost surely, 2^{3122111321323} is an apocalyptic number.

3122111321323 is a deficient number, since it is larger than the sum of its proper divisors (152982605).

3122111321323 is a wasteful number, since it uses less digits than its factorization.

3122111321323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152982604.

The product of its digits is 1296, while the sum is 25.

Adding to 3122111321323 its reverse (3231231112213), we get a palindrome (6353342433536).

The spelling of 3122111321323 in words is "three trillion, one hundred twenty-two billion, one hundred eleven million, three hundred twenty-one thousand, three hundred twenty-three".