22102131323 has 4 divisors (see below), whose sum is σ = 22304903280. Its totient is φ = 21899359368.

The previous prime is 22102131301. The next prime is 22102131361. The reversal of 22102131323 is 32313120122.

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 22102131323 - 2⁸ = 22102131067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22102131295 and 22102131304.

It is not an unprimeable number, because it can be changed into a prime (22102131223) 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, 101385815 + ... + 101386032.

It is an arithmetic number, because the mean of its divisors is an integer number (5576225820).

Almost surely, 2^22102131323 is an apocalyptic number.

22102131323 is a deficient number, since it is larger than the sum of its proper divisors (202771957).

22102131323 is a wasteful number, since it uses less digits than its factorization.

22102131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202771956.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22102131323 its reverse (32313120122), we get a palindrome (54415251445).

The spelling of 22102131323 in words is "twenty-two billion, one hundred two million, one hundred thirty-one thousand, three hundred twenty-three".