123110140454309 has 2 divisors, whose sum is σ = 123110140454310. Its totient is φ = 123110140454308.

The previous prime is 123110140454293. The next prime is 123110140454339. The reversal of 123110140454309 is 903454041011321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88944326860900 + 34165813593409 = 9431030^2 + 5845153^2 .

It is a cyclic number.

It is not a de Polignac number, because 123110140454309 - 2⁴ = 123110140454293 is a prime.

It is a super-2 number, since 2×123110140454309² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123110140454339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61555070227154 + 61555070227155.

It is an arithmetic number, because the mean of its divisors is an integer number (61555070227155).

Almost surely, 2^{123110140454309} is an apocalyptic number.

It is an amenable number.

123110140454309 is a deficient number, since it is larger than the sum of its proper divisors (1).

123110140454309 is an equidigital number, since it uses as much as digits as its factorization.

123110140454309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 123110140454309 in words is "one hundred twenty-three trillion, one hundred ten billion, one hundred forty million, four hundred fifty-four thousand, three hundred nine".