13445317545723 has 36 divisors (see below), whose sum is σ = 22597792148880. Its totient is φ = 7680998084256.

The previous prime is 13445317545689. The next prime is 13445317545749. The reversal of 13445317545723 is 32754571354431.

13445317545723 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 5 + 3 + 17 + 54 + 572 + 3 = 666.

It is not a de Polignac number, because 13445317545723 - 2¹⁰ = 13445317544699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13445317545723.

It is not an unprimeable number, because it can be changed into a prime (13445317545763) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2385508 + ... + 5708001.

It is an arithmetic number, because the mean of its divisors is an integer number (627716448580).

Almost surely, 2^{13445317545723} is an apocalyptic number.

13445317545723 is a deficient number, since it is larger than the sum of its proper divisors (9152474603157).

13445317545723 is a wasteful number, since it uses less digits than its factorization.

13445317545723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8097296 (or 8097286 counting only the distinct ones).

The product of its digits is 21168000, while the sum is 54.

The spelling of 13445317545723 in words is "thirteen trillion, four hundred forty-five billion, three hundred seventeen million, five hundred forty-five thousand, seven hundred twenty-three".