13068636523 has 8 divisors (see below), whose sum is σ = 13286243376. Its totient is φ = 12851138400.

The previous prime is 13068636517. The next prime is 13068636527. The reversal of 13068636523 is 32563686031.

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

It is a de Polignac number, because none of the positive numbers 2^k-13068636523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13068636523.

It is not an unprimeable number, because it can be changed into a prime (13068636527) 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, 236253 + ... + 286273.

It is an arithmetic number, because the mean of its divisors is an integer number (1660780422).

Almost surely, 2^13068636523 is an apocalyptic number.

13068636523 is a deficient number, since it is larger than the sum of its proper divisors (217606853).

13068636523 is an equidigital number, since it uses as much as digits as its factorization.

13068636523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54365.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 13068636523 in words is "thirteen billion, sixty-eight million, six hundred thirty-six thousand, five hundred twenty-three".