123100002103 has 8 divisors (see below), whose sum is σ = 132733112400. Its totient is φ = 113490303168.

The previous prime is 123100002089. The next prime is 123100002143. The reversal of 123100002103 is 301200001321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123100002103 is a prime.

It is a super-2 number, since 2×123100002103² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123100002143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5841913 + ... + 5862946.

It is an arithmetic number, because the mean of its divisors is an integer number (16591639050).

Almost surely, 2^123100002103 is an apocalyptic number.

123100002103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123100002103 is a deficient number, since it is larger than the sum of its proper divisors (9633110297).

123100002103 is a wasteful number, since it uses less digits than its factorization.

123100002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11705681.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 123100002103 its reverse (301200001321), we get a palindrome (424300003424).

The spelling of 123100002103 in words is "one hundred twenty-three billion, one hundred million, two thousand, one hundred three".