18231423283 has 2 divisors, whose sum is σ = 18231423284. Its totient is φ = 18231423282.

The previous prime is 18231423193. The next prime is 18231423293. The reversal of 18231423283 is 38232413281.

It is a strong prime.

It is an emirp because it is prime and its reverse (38232413281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18231423283 - 2⁹ = 18231422771 is a prime.

It is not a weakly prime, because it can be changed into another prime (18231423293) 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 as a sum of consecutive naturals, namely, 9115711641 + 9115711642.

It is an arithmetic number, because the mean of its divisors is an integer number (9115711642).

Almost surely, 2^18231423283 is an apocalyptic number.

18231423283 is a deficient number, since it is larger than the sum of its proper divisors (1).

18231423283 is an equidigital number, since it uses as much as digits as its factorization.

18231423283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The spelling of 18231423283 in words is "eighteen billion, two hundred thirty-one million, four hundred twenty-three thousand, two hundred eighty-three".