23500118 has 4 divisors (see below), whose sum is σ = 35250180. Its totient is φ = 11750058.

The previous prime is 23500117. The next prime is 23500129. The reversal of 23500118 is 81100532.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23500118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23500117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5875028 + ... + 5875031.

It is an arithmetic number, because the mean of its divisors is an integer number (8812545).

Almost surely, 2^23500118 is an apocalyptic number.

23500118 is a deficient number, since it is larger than the sum of its proper divisors (11750062).

23500118 is a wasteful number, since it uses less digits than its factorization.

23500118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11750061.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 23500118 is about 4847.6920281718. The cubic root of 23500118 is about 286.4331952176.

The spelling of 23500118 in words is "twenty-three million, five hundred thousand, one hundred eighteen".