12423243767 has 4 divisors (see below), whose sum is σ = 13552629576. Its totient is φ = 11293857960.

The previous prime is 12423243719. The next prime is 12423243779. The reversal of 12423243767 is 76734232421.

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

It is not a de Polignac number, because 12423243767 - 2¹² = 12423239671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423243787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564692888 + ... + 564692909.

It is an arithmetic number, because the mean of its divisors is an integer number (3388157394).

Almost surely, 2^12423243767 is an apocalyptic number.

12423243767 is a deficient number, since it is larger than the sum of its proper divisors (1129385809).

12423243767 is a wasteful number, since it uses less digits than its factorization.

12423243767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129385808.

The product of its digits is 338688, while the sum is 41.

The spelling of 12423243767 in words is "twelve billion, four hundred twenty-three million, two hundred forty-three thousand, seven hundred sixty-seven".