13123202103 has 24 divisors (see below), whose sum is σ = 20683602576. Its totient is φ = 7951680000.

The previous prime is 13123202089. The next prime is 13123202107. The reversal of 13123202103 is 30120232131.

13123202103 is a `hidden beast` number, since 131 + 2 + 320 + 210 + 3 = 666.

It is not a de Polignac number, because 13123202103 - 2¹⁶ = 13123136567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123202107) 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, 532551 + ... + 556647.

It is an arithmetic number, because the mean of its divisors is an integer number (861816774).

Almost surely, 2^13123202103 is an apocalyptic number.

13123202103 is a deficient number, since it is larger than the sum of its proper divisors (7560400473).

13123202103 is a wasteful number, since it uses less digits than its factorization.

13123202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29615 (or 29612 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13123202103 its reverse (30120232131), we get a palindrome (43243434234).

The spelling of 13123202103 in words is "thirteen billion, one hundred twenty-three million, two hundred two thousand, one hundred three".