13103122123 has 24 divisors (see below), whose sum is σ = 16339504896. Its totient is φ = 10288044000.

The previous prime is 13103122121. The next prime is 13103122139. The reversal of 13103122123 is 32122130131.

It is not a de Polignac number, because 13103122123 - 2¹ = 13103122121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13103122123.

It is not an unprimeable number, because it can be changed into a prime (13103122121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112698 + ... + 197248.

It is an arithmetic number, because the mean of its divisors is an integer number (680812704).

Almost surely, 2^13103122123 is an apocalyptic number.

13103122123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13103122123 is a deficient number, since it is larger than the sum of its proper divisors (3236382773).

13103122123 is a wasteful number, since it uses less digits than its factorization.

13103122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84715 (or 84702 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13103122123 its reverse (32122130131), we get a palindrome (45225252254).

The spelling of 13103122123 in words is "thirteen billion, one hundred three million, one hundred twenty-two thousand, one hundred twenty-three".