123222122369 has 2 divisors, whose sum is σ = 123222122370. Its totient is φ = 123222122368.

The previous prime is 123222122323. The next prime is 123222122377. The reversal of 123222122369 is 963221222321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113595961600 + 9626160769 = 337040^2 + 98113^2 .

It is an emirp because it is prime and its reverse (963221222321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123222122369 - 2¹⁶ = 123222056833 is a prime.

It is a super-2 number, since 2×123222122369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123222122389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611061184 + 61611061185.

It is an arithmetic number, because the mean of its divisors is an integer number (61611061185).

Almost surely, 2^123222122369 is an apocalyptic number.

It is an amenable number.

123222122369 is a deficient number, since it is larger than the sum of its proper divisors (1).

123222122369 is an equidigital number, since it uses as much as digits as its factorization.

123222122369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The spelling of 123222122369 in words is "one hundred twenty-three billion, two hundred twenty-two million, one hundred twenty-two thousand, three hundred sixty-nine".