18027123 has 8 divisors (see below), whose sum is σ = 25450128. Its totient is φ = 11311104.

The previous prime is 18027059. The next prime is 18027169. The reversal of 18027123 is 32172081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18027123 - 2⁶ = 18027059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18027093 and 18027102.

It is not an unprimeable number, because it can be changed into a prime (18027173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176686 + ... + 176787.

It is an arithmetic number, because the mean of its divisors is an integer number (3181266).

Almost surely, 2^18027123 is an apocalyptic number.

18027123 is a deficient number, since it is larger than the sum of its proper divisors (7423005).

18027123 is a wasteful number, since it uses less digits than its factorization.

18027123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353493.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 18027123 is about 4245.8359600908. The cubic root of 18027123 is about 262.2057073757.

The spelling of 18027123 in words is "eighteen million, twenty-seven thousand, one hundred twenty-three".