22123121323 has 8 divisors (see below), whose sum is σ = 22605802560. Its totient is φ = 21640939200.

The previous prime is 22123121311. The next prime is 22123121327. The reversal of 22123121323 is 32312132122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22123121323 - 2⁵ = 22123121291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22123121294 and 22123121303.

It is not an unprimeable number, because it can be changed into a prime (22123121327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34458 + ... + 213151.

It is an arithmetic number, because the mean of its divisors is an integer number (2825725320).

Almost surely, 2^22123121323 is an apocalyptic number.

22123121323 is a deficient number, since it is larger than the sum of its proper divisors (482681237).

22123121323 is a wasteful number, since it uses less digits than its factorization.

22123121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249557.

The product of its digits is 864, while the sum is 22.

Adding to 22123121323 its reverse (32312132122), we get a palindrome (54435253445).

The spelling of 22123121323 in words is "twenty-two billion, one hundred twenty-three million, one hundred twenty-one thousand, three hundred twenty-three".