18082343 has 2 divisors, whose sum is σ = 18082344. Its totient is φ = 18082342.

The previous prime is 18082327. The next prime is 18082367. The reversal of 18082343 is 34328081.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34328081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18082343 - 2⁴ = 18082327 is a prime.

It is a super-2 number, since 2×18082343² = 653942256739298, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18082303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9041171 + 9041172.

It is an arithmetic number, because the mean of its divisors is an integer number (9041172).

Almost surely, 2^18082343 is an apocalyptic number.

18082343 is a deficient number, since it is larger than the sum of its proper divisors (1).

18082343 is an equidigital number, since it uses as much as digits as its factorization.

18082343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 18082343 is about 4252.3338297928. Note that the first 3 decimals coincide. The cubic root of 18082343 is about 262.4731606724.

The spelling of 18082343 in words is "eighteen million, eighty-two thousand, three hundred forty-three".