18106043 has 2 divisors, whose sum is σ = 18106044. Its totient is φ = 18106042.

The previous prime is 18106027. The next prime is 18106087. The reversal of 18106043 is 34060181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18106043 - 2⁴ = 18106027 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (18106093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9053021 + 9053022.

It is an arithmetic number, because the mean of its divisors is an integer number (9053022).

Almost surely, 2^18106043 is an apocalyptic number.

18106043 is a deficient number, since it is larger than the sum of its proper divisors (1).

18106043 is an equidigital number, since it uses as much as digits as its factorization.

18106043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 18106043 is about 4255.1196222903. The cubic root of 18106043 is about 262.5877825839.

The spelling of 18106043 in words is "eighteen million, one hundred six thousand, forty-three".