18364343 has 2 divisors, whose sum is σ = 18364344. Its totient is φ = 18364342.

The previous prime is 18364277. The next prime is 18364387. The reversal of 18364343 is 34346381.

It is a strong prime.

It is an emirp because it is prime and its reverse (34346381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18364343 - 2¹⁶ = 18298807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18364943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9182171 + 9182172.

It is an arithmetic number, because the mean of its divisors is an integer number (9182172).

Almost surely, 2^18364343 is an apocalyptic number.

18364343 is a deficient number, since it is larger than the sum of its proper divisors (1).

18364343 is an equidigital number, since it uses as much as digits as its factorization.

18364343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The square root of 18364343 is about 4285.3638118601. The cubic root of 18364343 is about 263.8305798129.

The spelling of 18364343 in words is "eighteen million, three hundred sixty-four thousand, three hundred forty-three".