13030504523503 has 4 divisors (see below), whose sum is σ = 13030544340000. Its totient is φ = 13030464707008.

The previous prime is 13030504523497. The next prime is 13030504523527. The reversal of 13030504523503 is 30532540503031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13030504523503 - 2⁹ = 13030504522991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030504523563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19413250 + ... + 20073247.

It is an arithmetic number, because the mean of its divisors is an integer number (3257636085000).

Almost surely, 2^{13030504523503} is an apocalyptic number.

13030504523503 is a deficient number, since it is larger than the sum of its proper divisors (39816497).

13030504523503 is an equidigital number, since it uses as much as digits as its factorization.

13030504523503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39816496.

The product of its (nonzero) digits is 81000, while the sum is 34.

The spelling of 13030504523503 in words is "thirteen trillion, thirty billion, five hundred four million, five hundred twenty-three thousand, five hundred three".