123110252103 has 16 divisors (see below), whose sum is σ = 169924769280. Its totient is φ = 79188535776.

The previous prime is 123110252099. The next prime is 123110252119. The reversal of 123110252103 is 301252011321.

It is not a de Polignac number, because 123110252103 - 2² = 123110252099 is a prime.

It is a super-2 number, since 2×123110252103² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123110252103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123110252303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363075 + ... + 614852.

It is an arithmetic number, because the mean of its divisors is an integer number (10620298080).

Almost surely, 2^123110252103 is an apocalyptic number.

123110252103 is a deficient number, since it is larger than the sum of its proper divisors (46814517177).

123110252103 is a wasteful number, since it uses less digits than its factorization.

123110252103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979406.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 123110252103 its reverse (301252011321), we get a palindrome (424362263424).

The spelling of 123110252103 in words is "one hundred twenty-three billion, one hundred ten million, two hundred fifty-two thousand, one hundred three".