23881678 has 4 divisors (see below), whose sum is σ = 35822520. Its totient is φ = 11940838.

The previous prime is 23881667. The next prime is 23881679. The reversal of 23881678 is 87618832.

It is a happy number.

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 (23881679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5970418 + ... + 5970421.

It is an arithmetic number, because the mean of its divisors is an integer number (8955630).

Almost surely, 2^23881678 is an apocalyptic number.

23881678 is a deficient number, since it is larger than the sum of its proper divisors (11940842).

23881678 is a wasteful number, since it uses less digits than its factorization.

23881678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11940841.

The product of its digits is 129024, while the sum is 43.

The square root of 23881678 is about 4886.8883760528. Note that the first 3 decimals coincide. The cubic root of 23881678 is about 287.9751055514.

The spelling of 23881678 in words is "twenty-three million, eight hundred eighty-one thousand, six hundred seventy-eight".