18670055023 has 2 divisors, whose sum is σ = 18670055024. Its totient is φ = 18670055022.

The previous prime is 18670054969. The next prime is 18670055057. The reversal of 18670055023 is 32055007681.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18670055023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18670055083) 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, 9335027511 + 9335027512.

It is an arithmetic number, because the mean of its divisors is an integer number (9335027512).

Almost surely, 2^18670055023 is an apocalyptic number.

18670055023 is a deficient number, since it is larger than the sum of its proper divisors (1).

18670055023 is an equidigital number, since it uses as much as digits as its factorization.

18670055023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 18670055023 in words is "eighteen billion, six hundred seventy million, fifty-five thousand, twenty-three".