1123422031169 has 2 divisors, whose sum is σ = 1123422031170. Its totient is φ = 1123422031168.

The previous prime is 1123422031021. The next prime is 1123422031183. The reversal of 1123422031169 is 9611302243211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 606443775025 + 516978256144 = 778745^2 + 719012^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123422031169 - 2⁴⁰ = 23910403393 is a prime.

It is a super-2 number, since 2×1123422031169² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1123422030169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561711015584 + 561711015585.

It is an arithmetic number, because the mean of its divisors is an integer number (561711015585).

Almost surely, 2^{1123422031169} is an apocalyptic number.

It is an amenable number.

1123422031169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123422031169 is an equidigital number, since it uses as much as digits as its factorization.

1123422031169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 1123422031169 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-two million, thirty-one thousand, one hundred sixty-nine".