13504545123 has 8 divisors (see below), whose sum is σ = 18006762768. Its totient is φ = 9002678784.

The previous prime is 13504545079. The next prime is 13504545143. The reversal of 13504545123 is 32154540531.

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

It is not a de Polignac number, because 13504545123 - 2²⁰ = 13503496547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13504545143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21211 + ... + 165707.

It is an arithmetic number, because the mean of its divisors is an integer number (2250845346).

Almost surely, 2^13504545123 is an apocalyptic number.

13504545123 is a deficient number, since it is larger than the sum of its proper divisors (4502217645).

13504545123 is a wasteful number, since it uses less digits than its factorization.

13504545123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175653.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 13504545123 in words is "thirteen billion, five hundred four million, five hundred forty-five thousand, one hundred twenty-three".