123110090231 has 2 divisors, whose sum is σ = 123110090232. Its totient is φ = 123110090230.

The previous prime is 123110090219. The next prime is 123110090263. The reversal of 123110090231 is 132090011321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123110090231 - 2¹⁴ = 123110073847 is a prime.

It is a super-2 number, since 2×123110090231² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 123110090197 and 123110090206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123110090291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61555045115 + 61555045116.

It is an arithmetic number, because the mean of its divisors is an integer number (61555045116).

Almost surely, 2^123110090231 is an apocalyptic number.

123110090231 is a deficient number, since it is larger than the sum of its proper divisors (1).

123110090231 is an equidigital number, since it uses as much as digits as its factorization.

123110090231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 123110090231 in words is "one hundred twenty-three billion, one hundred ten million, ninety thousand, two hundred thirty-one".