22023121399 has 2 divisors, whose sum is σ = 22023121400. Its totient is φ = 22023121398.

The previous prime is 22023121357. The next prime is 22023121409. The reversal of 22023121399 is 99312132022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22023121399 - 2⁷ = 22023121271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021121399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011560699 + 11011560700.

It is an arithmetic number, because the mean of its divisors is an integer number (11011560700).

Almost surely, 2^22023121399 is an apocalyptic number.

22023121399 is a deficient number, since it is larger than the sum of its proper divisors (1).

22023121399 is an equidigital number, since it uses as much as digits as its factorization.

22023121399 is an evil number, because the sum of its binary digits is even.

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

The spelling of 22023121399 in words is "twenty-two billion, twenty-three million, one hundred twenty-one thousand, three hundred ninety-nine".