123110311100103 has 12 divisors (see below), whose sum is σ = 178197249197760. Its totient is φ = 81902197221696.

The previous prime is 123110311100083. The next prime is 123110311100123. The reversal of 123110311100103 is 301001113011321.

123110311100103 is a `hidden beast` number, since 1 + 231 + 10 + 311 + 10 + 0 + 103 = 666.

It is an interprime number because it is at equal distance from previous prime (123110311100083) and next prime (123110311100123).

It is not a de Polignac number, because 123110311100103 - 2⁹ = 123110311099591 is a prime.

It is a super-2 number, since 2×123110311100103² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123110311100123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14278621426 + ... + 14278630047.

It is an arithmetic number, because the mean of its divisors is an integer number (14849770766480).

Almost surely, 2^{123110311100103} is an apocalyptic number.

123110311100103 is a deficient number, since it is larger than the sum of its proper divisors (55086938097657).

123110311100103 is a wasteful number, since it uses less digits than its factorization.

123110311100103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28557251958 (or 28557251955 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 123110311100103 its reverse (301001113011321), we get a palindrome (424111424111424).

The spelling of 123110311100103 in words is "one hundred twenty-three trillion, one hundred ten billion, three hundred eleven million, one hundred thousand, one hundred three".