18104343 has 4 divisors (see below), whose sum is σ = 24139128. Its totient is φ = 12069560.

The previous prime is 18104287. The next prime is 18104347. The reversal of 18104343 is 34340181.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18104343 - 2⁸ = 18104087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18104347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3017388 + ... + 3017393.

It is an arithmetic number, because the mean of its divisors is an integer number (6034782).

Almost surely, 2^18104343 is an apocalyptic number.

18104343 is a deficient number, since it is larger than the sum of its proper divisors (6034785).

18104343 is an equidigital number, since it uses as much as digits as its factorization.

18104343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034784.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 18104343 is about 4254.9198582347. The cubic root of 18104343 is about 262.5795640902.

The spelling of 18104343 in words is "eighteen million, one hundred four thousand, three hundred forty-three".