23180086 has 4 divisors (see below), whose sum is σ = 34770132. Its totient is φ = 11590042.

The previous prime is 23180083. The next prime is 23180099. The reversal of 23180086 is 68008132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23180081) 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, 5795020 + ... + 5795023.

It is an arithmetic number, because the mean of its divisors is an integer number (8692533).

Almost surely, 2^23180086 is an apocalyptic number.

23180086 is a deficient number, since it is larger than the sum of its proper divisors (11590046).

23180086 is a wasteful number, since it uses less digits than its factorization.

23180086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11590045.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 23180086 is about 4814.5701781156. The cubic root of 23180086 is about 285.1270019790.

The spelling of 23180086 in words is "twenty-three million, one hundred eighty thousand, eighty-six".