13113545835623 has 4 divisors (see below), whose sum is σ = 13139309187480. Its totient is φ = 13087782483768.

The previous prime is 13113545835617. The next prime is 13113545835673. The reversal of 13113545835623 is 32653854531131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13113545835623 - 2¹⁴ = 13113545819239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113545835673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12881675165 + ... + 12881676182.

It is an arithmetic number, because the mean of its divisors is an integer number (3284827296870).

Almost surely, 2^{13113545835623} is an apocalyptic number.

13113545835623 is a deficient number, since it is larger than the sum of its proper divisors (25763351857).

13113545835623 is an equidigital number, since it uses as much as digits as its factorization.

13113545835623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25763351856.

The product of its digits is 3888000, while the sum is 50.

The spelling of 13113545835623 in words is "thirteen trillion, one hundred thirteen billion, five hundred forty-five million, eight hundred thirty-five thousand, six hundred twenty-three".