18023153 has 8 divisors (see below), whose sum is σ = 19050720. Its totient is φ = 17003520.

The previous prime is 18023113. The next prime is 18023167. The reversal of 18023153 is 35132081.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18023153 is a prime.

It is a super-2 number, since 2×18023153² = 649668088122818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18023113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3038 + ... + 6728.

It is an arithmetic number, because the mean of its divisors is an integer number (2381340).

Almost surely, 2^18023153 is an apocalyptic number.

It is an amenable number.

18023153 is a deficient number, since it is larger than the sum of its proper divisors (1027567).

18023153 is a wasteful number, since it uses less digits than its factorization.

18023153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3967.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 18023153 is about 4245.3684174639. The cubic root of 18023153 is about 262.1864579909.

The spelling of 18023153 in words is "eighteen million, twenty-three thousand, one hundred fifty-three".