23923678 has 4 divisors (see below), whose sum is σ = 35885520. Its totient is φ = 11961838.

The previous prime is 23923639. The next prime is 23923693. The reversal of 23923678 is 87632932.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 23923678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5980918 + ... + 5980921.

It is an arithmetic number, because the mean of its divisors is an integer number (8971380).

Almost surely, 2^23923678 is an apocalyptic number.

23923678 is a deficient number, since it is larger than the sum of its proper divisors (11961842).

23923678 is a wasteful number, since it uses less digits than its factorization.

23923678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11961841.

The product of its digits is 108864, while the sum is 40.

The square root of 23923678 is about 4891.1837013140. The cubic root of 23923678 is about 288.1438244469.

The spelling of 23923678 in words is "twenty-three million, nine hundred twenty-three thousand, six hundred seventy-eight".