18006323 has 2 divisors, whose sum is σ = 18006324. Its totient is φ = 18006322.

The previous prime is 18006299. The next prime is 18006337. The reversal of 18006323 is 32360081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18006323 - 2⁶ = 18006259 is a prime.

It is not a weakly prime, because it can be changed into another prime (18006353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9003161 + 9003162.

It is an arithmetic number, because the mean of its divisors is an integer number (9003162).

Almost surely, 2^18006323 is an apocalyptic number.

18006323 is a deficient number, since it is larger than the sum of its proper divisors (1).

18006323 is an equidigital number, since it uses as much as digits as its factorization.

18006323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 18006323 is about 4243.3857943864. The cubic root of 18006323 is about 262.1048227688.

The spelling of 18006323 in words is "eighteen million, six thousand, three hundred twenty-three".