13503423523 has 8 divisors (see below), whose sum is σ = 13564827936. Its totient is φ = 13442064000.

The previous prime is 13503423511. The next prime is 13503423559. The reversal of 13503423523 is 32532430531.

13503423523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13503423523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13503423223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689973 + ... + 709273.

It is an arithmetic number, because the mean of its divisors is an integer number (1695603492).

Almost surely, 2^13503423523 is an apocalyptic number.

13503423523 is a deficient number, since it is larger than the sum of its proper divisors (61404413).

13503423523 is a wasteful number, since it uses less digits than its factorization.

13503423523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22445.

The product of its (nonzero) digits is 32400, while the sum is 31.

The spelling of 13503423523 in words is "thirteen billion, five hundred three million, four hundred twenty-three thousand, five hundred twenty-three".