18423122297 has 2 divisors, whose sum is σ = 18423122298. Its totient is φ = 18423122296.

The previous prime is 18423122281. The next prime is 18423122317. The reversal of 18423122297 is 79222132481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13787691241 + 4635431056 = 117421^2 + 68084^2 .

It is a cyclic number.

It is not a de Polignac number, because 18423122297 - 2⁴ = 18423122281 is a prime.

It is a super-2 number, since 2×18423122297² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18423122227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9211561148 + 9211561149.

It is an arithmetic number, because the mean of its divisors is an integer number (9211561149).

Almost surely, 2^18423122297 is an apocalyptic number.

It is an amenable number.

18423122297 is a deficient number, since it is larger than the sum of its proper divisors (1).

18423122297 is an equidigital number, since it uses as much as digits as its factorization.

18423122297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The spelling of 18423122297 in words is "eighteen billion, four hundred twenty-three million, one hundred twenty-two thousand, two hundred ninety-seven".