13505560323 has 8 divisors (see below), whose sum is σ = 18017419536. Its totient is φ = 8998704000.

The previous prime is 13505560301. The next prime is 13505560331. The reversal of 13505560323 is 32306550531.

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

It is not a de Polignac number, because 13505560323 - 2²⁰ = 13504511747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13505560363) 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, 1244418 + ... + 1255223.

It is an arithmetic number, because the mean of its divisors is an integer number (2252177442).

Almost surely, 2^13505560323 is an apocalyptic number.

13505560323 is a deficient number, since it is larger than the sum of its proper divisors (4511859213).

13505560323 is a wasteful number, since it uses less digits than its factorization.

13505560323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501445.

The product of its (nonzero) digits is 40500, while the sum is 33.

The spelling of 13505560323 in words is "thirteen billion, five hundred five million, five hundred sixty thousand, three hundred twenty-three".