18322871023 has 2 divisors, whose sum is σ = 18322871024. Its totient is φ = 18322871022.

The previous prime is 18322871011. The next prime is 18322871053. The reversal of 18322871023 is 32017822381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18322871023 - 2³³ = 9732936431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18322871003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9161435511 + 9161435512.

It is an arithmetic number, because the mean of its divisors is an integer number (9161435512).

Almost surely, 2^18322871023 is an apocalyptic number.

18322871023 is a deficient number, since it is larger than the sum of its proper divisors (1).

18322871023 is an equidigital number, since it uses as much as digits as its factorization.

18322871023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 18322871023 in words is "eighteen billion, three hundred twenty-two million, eight hundred seventy-one thousand, twenty-three".