18255408023 has 2 divisors, whose sum is σ = 18255408024. Its totient is φ = 18255408022.

The previous prime is 18255408019. The next prime is 18255408049. The reversal of 18255408023 is 32080455281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18255408023 - 2² = 18255408019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18255408053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9127704011 + 9127704012.

It is an arithmetic number, because the mean of its divisors is an integer number (9127704012).

Almost surely, 2^18255408023 is an apocalyptic number.

18255408023 is a deficient number, since it is larger than the sum of its proper divisors (1).

18255408023 is an equidigital number, since it uses as much as digits as its factorization.

18255408023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 18255408023 in words is "eighteen billion, two hundred fifty-five million, four hundred eight thousand, twenty-three".