13465338523 has 48 divisors (see below), whose sum is σ = 17935235136. Its totient is φ = 9997827840.

The previous prime is 13465338463. The next prime is 13465338527. The reversal of 13465338523 is 32583356431.

It is a de Polignac number, because none of the positive numbers 2^k-13465338523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13465338523.

It is not an unprimeable number, because it can be changed into a prime (13465338527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 767833 + ... + 785173.

It is an arithmetic number, because the mean of its divisors is an integer number (373650732).

Almost surely, 2^13465338523 is an apocalyptic number.

13465338523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13465338523 is a deficient number, since it is larger than the sum of its proper divisors (4469896613).

13465338523 is a wasteful number, since it uses less digits than its factorization.

13465338523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17444 (or 17437 counting only the distinct ones).

The product of its digits is 777600, while the sum is 43.

The spelling of 13465338523 in words is "thirteen billion, four hundred sixty-five million, three hundred thirty-eight thousand, five hundred twenty-three".