22121322323 has 2 divisors, whose sum is σ = 22121322324. Its totient is φ = 22121322322.

The previous prime is 22121322319. The next prime is 22121322341. The reversal of 22121322323 is 32322312122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22121322323 - 2² = 22121322319 is a prime.

It is not a weakly prime, because it can be changed into another prime (22121322313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060661161 + 11060661162.

It is an arithmetic number, because the mean of its divisors is an integer number (11060661162).

Almost surely, 2^22121322323 is an apocalyptic number.

22121322323 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121322323 is an equidigital number, since it uses as much as digits as its factorization.

22121322323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

Adding to 22121322323 its reverse (32322312122), we get a palindrome (54443634445).

The spelling of 22121322323 in words is "twenty-two billion, one hundred twenty-one million, three hundred twenty-two thousand, three hundred twenty-three".