18853055423 has 2 divisors, whose sum is σ = 18853055424. Its totient is φ = 18853055422.

The previous prime is 18853055413. The next prime is 18853055447. The reversal of 18853055423 is 32455035881.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18853055423 - 2⁶ = 18853055359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18853055413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9426527711 + 9426527712.

It is an arithmetic number, because the mean of its divisors is an integer number (9426527712).

Almost surely, 2^18853055423 is an apocalyptic number.

18853055423 is a deficient number, since it is larger than the sum of its proper divisors (1).

18853055423 is an equidigital number, since it uses as much as digits as its factorization.

18853055423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 18853055423 in words is "eighteen billion, eight hundred fifty-three million, fifty-five thousand, four hundred twenty-three".