18202002023 has 2 divisors, whose sum is σ = 18202002024. Its totient is φ = 18202002022.

The previous prime is 18202002011. The next prime is 18202002041. The reversal of 18202002023 is 32020020281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18202002023 - 2⁶ = 18202001959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18202001986 and 18202002004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18202001023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9101001011 + 9101001012.

It is an arithmetic number, because the mean of its divisors is an integer number (9101001012).

Almost surely, 2^18202002023 is an apocalyptic number.

18202002023 is a deficient number, since it is larger than the sum of its proper divisors (1).

18202002023 is an equidigital number, since it uses as much as digits as its factorization.

18202002023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The spelling of 18202002023 in words is "eighteen billion, two hundred two million, two thousand, twenty-three".