123110122999 has 2 divisors, whose sum is σ = 123110123000. Its totient is φ = 123110122998.

The previous prime is 123110122951. The next prime is 123110123011. The reversal of 123110122999 is 999221011321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123110122999 - 2¹⁵ = 123110090231 is a prime.

It is a super-2 number, since 2×123110122999² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123110122909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61555061499 + 61555061500.

It is an arithmetic number, because the mean of its divisors is an integer number (61555061500).

Almost surely, 2^123110122999 is an apocalyptic number.

123110122999 is a deficient number, since it is larger than the sum of its proper divisors (1).

123110122999 is an equidigital number, since it uses as much as digits as its factorization.

123110122999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 40.

The spelling of 123110122999 in words is "one hundred twenty-three billion, one hundred ten million, one hundred twenty-two thousand, nine hundred ninety-nine".