18312245423 has 16 divisors (see below), whose sum is σ = 18612941952. Its totient is φ = 18014724000.

The previous prime is 18312245309. The next prime is 18312245449. The reversal of 18312245423 is 32454221381.

It is a cyclic number.

It is not a de Polignac number, because 18312245423 - 2⁸ = 18312245167 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 (18312245723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7821233 + ... + 7823573.

It is an arithmetic number, because the mean of its divisors is an integer number (1163308872).

Almost surely, 2^18312245423 is an apocalyptic number.

18312245423 is a deficient number, since it is larger than the sum of its proper divisors (300696529).

18312245423 is a wasteful number, since it uses less digits than its factorization.

18312245423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966.

The product of its digits is 46080, while the sum is 35.

The spelling of 18312245423 in words is "eighteen billion, three hundred twelve million, two hundred forty-five thousand, four hundred twenty-three".