18745023 has 16 divisors (see below), whose sum is σ = 28452096. Its totient is φ = 10866240.

The previous prime is 18745007. The next prime is 18745031. The reversal of 18745023 is 32054781.

It is not a de Polignac number, because 18745023 - 2⁴ = 18745007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18745063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11590 + ... + 13107.

It is an arithmetic number, because the mean of its divisors is an integer number (1778256).

Almost surely, 2^18745023 is an apocalyptic number.

18745023 is a deficient number, since it is larger than the sum of its proper divisors (9707073).

18745023 is a wasteful number, since it uses less digits than its factorization.

18745023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24734.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 18745023 is about 4329.5522863225. The cubic root of 18745023 is about 265.6411342080.

The spelling of 18745023 in words is "eighteen million, seven hundred forty-five thousand, twenty-three".