9992917423 has 2 divisors, whose sum is σ = 9992917424. Its totient is φ = 9992917422.

The previous prime is 9992917397. The next prime is 9992917427. The reversal of 9992917423 is 3247192999.

It is a strong prime.

It is an emirp because it is prime and its reverse (3247192999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9992917423 - 2⁹ = 9992916911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9992917427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996458711 + 4996458712.

It is an arithmetic number, because the mean of its divisors is an integer number (4996458712).

Almost surely, 2^9992917423 is an apocalyptic number.

9992917423 is a deficient number, since it is larger than the sum of its proper divisors (1).

9992917423 is an equidigital number, since it uses as much as digits as its factorization.

9992917423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 55.

The square root of 9992917423 is about 99964.5808424164. The cubic root of 9992917423 is about 2153.9259382511.

The spelling of 9992917423 in words is "nine billion, nine hundred ninety-two million, nine hundred seventeen thousand, four hundred twenty-three".