18046043 has 2 divisors, whose sum is σ = 18046044. Its totient is φ = 18046042.

The previous prime is 18046031. The next prime is 18046069. The reversal of 18046043 is 34064081.

It is an a-pointer prime, because the next prime (18046069) can be obtained adding 18046043 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18046043 - 2⁸ = 18045787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18046643) 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, 9023021 + 9023022.

It is an arithmetic number, because the mean of its divisors is an integer number (9023022).

Almost surely, 2^18046043 is an apocalyptic number.

18046043 is a deficient number, since it is larger than the sum of its proper divisors (1).

18046043 is an equidigital number, since it uses as much as digits as its factorization.

18046043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 18046043 is about 4248.0634411459. The cubic root of 18046043 is about 262.2974061906.

The spelling of 18046043 in words is "eighteen million, forty-six thousand, forty-three".