12423117647 has 2 divisors, whose sum is σ = 12423117648. Its totient is φ = 12423117646.

The previous prime is 12423117631. The next prime is 12423117671. The reversal of 12423117647 is 74671132421.

It is a weak prime.

It is an emirp because it is prime and its reverse (74671132421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12423117647 - 2⁴ = 12423117631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12423117647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12423117617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211558823 + 6211558824.

It is an arithmetic number, because the mean of its divisors is an integer number (6211558824).

Almost surely, 2^12423117647 is an apocalyptic number.

12423117647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423117647 is an equidigital number, since it uses as much as digits as its factorization.

12423117647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 38.

The spelling of 12423117647 in words is "twelve billion, four hundred twenty-three million, one hundred seventeen thousand, six hundred forty-seven".