22123120399 has 2 divisors, whose sum is σ = 22123120400. Its totient is φ = 22123120398.

The previous prime is 22123120387. The next prime is 22123120403. The reversal of 22123120399 is 99302132122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22123120399 - 2¹⁵ = 22123087631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22123120309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061560199 + 11061560200.

It is an arithmetic number, because the mean of its divisors is an integer number (11061560200).

Almost surely, 2^22123120399 is an apocalyptic number.

22123120399 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123120399 is an equidigital number, since it uses as much as digits as its factorization.

22123120399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 22123120399 in words is "twenty-two billion, one hundred twenty-three million, one hundred twenty thousand, three hundred ninety-nine".