13103203023 has 18 divisors (see below), whose sum is σ = 19602015264. Its totient is φ = 8434240752.

The previous prime is 13103203019. The next prime is 13103203103. The reversal of 13103203023 is 32030230131.

13103203023 is a `hidden beast` number, since 1 + 310 + 320 + 30 + 2 + 3 = 666.

It is not a de Polignac number, because 13103203023 - 2² = 13103203019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13103202987 and 13103203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103203123) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 858015 + ... + 873152.

It is an arithmetic number, because the mean of its divisors is an integer number (1089000848).

Almost surely, 2^13103203023 is an apocalyptic number.

13103203023 is a deficient number, since it is larger than the sum of its proper divisors (6498812241).

13103203023 is a wasteful number, since it uses less digits than its factorization.

13103203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731231 (or 1731199 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13103203023 its reverse (32030230131), we get a palindrome (45133433154).

The spelling of 13103203023 in words is "thirteen billion, one hundred three million, two hundred three thousand, twenty-three".