123202013103 has 12 divisors (see below), whose sum is σ = 191647576120. Its totient is φ = 75816623376.

The previous prime is 123202013083. The next prime is 123202013107. The reversal of 123202013103 is 301310202321.

123202013103 is a `hidden beast` number, since 12 + 320 + 20 + 1 + 310 + 3 = 666.

It is not a de Polignac number, because 123202013103 - 2¹⁰ = 123202012079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123202013107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526504213 + ... + 526504446.

Almost surely, 2^123202013103 is an apocalyptic number.

123202013103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123202013103 is a deficient number, since it is larger than the sum of its proper divisors (68445563017).

123202013103 is a wasteful number, since it uses less digits than its factorization.

123202013103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053008678 (or 1053008675 counting only the distinct ones).

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

Adding to 123202013103 its reverse (301310202321), we get a palindrome (424512215424).

The spelling of 123202013103 in words is "one hundred twenty-three billion, two hundred two million, thirteen thousand, one hundred three".