12617322423 has 4 divisors (see below), whose sum is σ = 16823096568. Its totient is φ = 8411548280.

The previous prime is 12617322397. The next prime is 12617322449. The reversal of 12617322423 is 32422371621.

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

It is an interprime number because it is at equal distance from previous prime (12617322397) and next prime (12617322449).

It is a cyclic number.

It is not a de Polignac number, because 12617322423 - 2⁹ = 12617321911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12617332423) 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, 2102887068 + ... + 2102887073.

It is an arithmetic number, because the mean of its divisors is an integer number (4205774142).

Almost surely, 2^12617322423 is an apocalyptic number.

12617322423 is a deficient number, since it is larger than the sum of its proper divisors (4205774145).

12617322423 is an equidigital number, since it uses as much as digits as its factorization.

12617322423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205774144.

The product of its digits is 24192, while the sum is 33.

The spelling of 12617322423 in words is "twelve billion, six hundred seventeen million, three hundred twenty-two thousand, four hundred twenty-three".