18523034 has 8 divisors (see below), whose sum is σ = 27904500. Its totient is φ = 9221536.

The previous prime is 18523031. The next prime is 18523039. The reversal of 18523034 is 43032581.

It can be written as a sum of positive squares in 2 ways, for example, as 18515809 + 7225 = 4303^2 + 85^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18522994 and 18523012.

It is not an unprimeable number, because it can be changed into a prime (18523031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19409 + ... + 20340.

Almost surely, 2^18523034 is an apocalyptic number.

18523034 is a deficient number, since it is larger than the sum of its proper divisors (9381466).

18523034 is a wasteful number, since it uses less digits than its factorization.

18523034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39984.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 18523034 is about 4303.8394486784. The cubic root of 18523034 is about 264.5883438873.

The spelling of 18523034 in words is "eighteen million, five hundred twenty-three thousand, thirty-four".