18034923 has 16 divisors (see below), whose sum is σ = 24558336. Its totient is φ = 11770080.

The previous prime is 18034879. The next prime is 18034927. The reversal of 18034923 is 32943081.

It is not a de Polignac number, because 18034923 - 2¹⁶ = 17969387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18034927) 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, 48165 + ... + 48537.

It is an arithmetic number, because the mean of its divisors is an integer number (1534896).

Almost surely, 2^18034923 is an apocalyptic number.

18034923 is a deficient number, since it is larger than the sum of its proper divisors (6523413).

18034923 is a wasteful number, since it uses less digits than its factorization.

18034923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 18034923 is about 4246.7544077801. The cubic root of 18034923 is about 262.2435190963.

The spelling of 18034923 in words is "eighteen million, thirty-four thousand, nine hundred twenty-three".