18336023843 has 2 divisors, whose sum is σ = 18336023844. Its totient is φ = 18336023842.

The previous prime is 18336023801. The next prime is 18336023861. The reversal of 18336023843 is 34832063381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18336023843 - 2⁶ = 18336023779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18336023843.

It is not a weakly prime, because it can be changed into another prime (18336023873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9168011921 + 9168011922.

It is an arithmetic number, because the mean of its divisors is an integer number (9168011922).

Almost surely, 2^18336023843 is an apocalyptic number.

18336023843 is a deficient number, since it is larger than the sum of its proper divisors (1).

18336023843 is an equidigital number, since it uses as much as digits as its factorization.

18336023843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 18336023843 in words is "eighteen billion, three hundred thirty-six million, twenty-three thousand, eight hundred forty-three".