18101827823 has 2 divisors, whose sum is σ = 18101827824. Its totient is φ = 18101827822.

The previous prime is 18101827789. The next prime is 18101827853. The reversal of 18101827823 is 32872810181.

It is a strong prime.

It is an emirp because it is prime and its reverse (32872810181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18101827823 - 2⁶ = 18101827759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18101827853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9050913911 + 9050913912.

It is an arithmetic number, because the mean of its divisors is an integer number (9050913912).

Almost surely, 2^18101827823 is an apocalyptic number.

18101827823 is a deficient number, since it is larger than the sum of its proper divisors (1).

18101827823 is an equidigital number, since it uses as much as digits as its factorization.

18101827823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 41.

The spelling of 18101827823 in words is "eighteen billion, one hundred one million, eight hundred twenty-seven thousand, eight hundred twenty-three".