23130886 has 4 divisors (see below), whose sum is σ = 34696332. Its totient is φ = 11565442.

The previous prime is 23130881. The next prime is 23130889. The reversal of 23130886 is 68803132.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5782720 + ... + 5782723.

It is an arithmetic number, because the mean of its divisors is an integer number (8674083).

Almost surely, 2^23130886 is an apocalyptic number.

23130886 is a deficient number, since it is larger than the sum of its proper divisors (11565446).

23130886 is a wasteful number, since it uses less digits than its factorization.

23130886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565445.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 23130886 is about 4809.4579736182. The cubic root of 23130886 is about 284.9251306362.

The spelling of 23130886 in words is "twenty-three million, one hundred thirty thousand, eight hundred eighty-six".