12617026531323 has 4 divisors (see below), whose sum is σ = 16822702041768. Its totient is φ = 8411351020880.

The previous prime is 12617026531309. The next prime is 12617026531357. The reversal of 12617026531323 is 32313562071621.

It is a happy number.

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 12617026531323 - 2⁹ = 12617026530811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12617026531523) 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, 2102837755218 + ... + 2102837755223.

It is an arithmetic number, because the mean of its divisors is an integer number (4205675510442).

Almost surely, 2^{12617026531323} is an apocalyptic number.

12617026531323 is a deficient number, since it is larger than the sum of its proper divisors (4205675510445).

12617026531323 is an equidigital number, since it uses as much as digits as its factorization.

12617026531323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205675510444.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 12617026531323 in words is "twelve trillion, six hundred seventeen billion, twenty-six million, five hundred thirty-one thousand, three hundred twenty-three".