12386515785623 has 32 divisors (see below), whose sum is σ = 14848505280000. Its totient is φ = 10108855532160.

The previous prime is 12386515785599. The next prime is 12386515785803. The reversal of 12386515785623 is 32658751568321.

It is not a de Polignac number, because 12386515785623 - 2¹⁴ = 12386515769239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12386515785023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2731268 + ... + 5677398.

It is an arithmetic number, because the mean of its divisors is an integer number (464015790000).

Almost surely, 2^{12386515785623} is an apocalyptic number.

12386515785623 is a deficient number, since it is larger than the sum of its proper divisors (2461989494377).

12386515785623 is a wasteful number, since it uses less digits than its factorization.

12386515785623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946455.

The product of its digits is 72576000, while the sum is 62.

The spelling of 12386515785623 in words is "twelve trillion, three hundred eighty-six billion, five hundred fifteen million, seven hundred eighty-five thousand, six hundred twenty-three".