13102123203 has 12 divisors (see below), whose sum is σ = 20381080720. Its totient is φ = 8062844976.

The previous prime is 13102123187. The next prime is 13102123207. The reversal of 13102123203 is 30232120131.

13102123203 is a `hidden beast` number, since 131 + 0 + 212 + 320 + 3 = 666.

It is not a de Polignac number, because 13102123203 - 2⁴ = 13102123187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13102123207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55991863 + ... + 55992096.

Almost surely, 2^13102123203 is an apocalyptic number.

13102123203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13102123203 is a deficient number, since it is larger than the sum of its proper divisors (7278957517).

13102123203 is a wasteful number, since it uses less digits than its factorization.

13102123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111983978 (or 111983975 counting only the distinct ones).

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

Adding to 13102123203 its reverse (30232120131), we get a palindrome (43334243334).

The spelling of 13102123203 in words is "thirteen billion, one hundred two million, one hundred twenty-three thousand, two hundred three".