22312313123 has 4 divisors (see below), whose sum is σ = 22399131720. Its totient is φ = 22225494528.

The previous prime is 22312313099. The next prime is 22312313171. The reversal of 22312313123 is 32131321322.

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-22312313123 is a prime.

It is a super-3 number, since 3×22312313123³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22312313423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43408913 + ... + 43409426.

It is an arithmetic number, because the mean of its divisors is an integer number (5599782930).

Almost surely, 2^22312313123 is an apocalyptic number.

22312313123 is a deficient number, since it is larger than the sum of its proper divisors (86818597).

22312313123 is an equidigital number, since it uses as much as digits as its factorization.

22312313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86818596.

The product of its digits is 1296, while the sum is 23.

Adding to 22312313123 its reverse (32131321322), we get a palindrome (54443634445).

The spelling of 22312313123 in words is "twenty-two billion, three hundred twelve million, three hundred thirteen thousand, one hundred twenty-three".