23673838 has 4 divisors (see below), whose sum is σ = 35510760. Its totient is φ = 11836918.

The previous prime is 23673833. The next prime is 23673869. The reversal of 23673838 is 83837632.

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 23673838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23673833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5918458 + ... + 5918461.

It is an arithmetic number, because the mean of its divisors is an integer number (8877690).

Almost surely, 2^23673838 is an apocalyptic number.

23673838 is a deficient number, since it is larger than the sum of its proper divisors (11836922).

23673838 is a wasteful number, since it uses less digits than its factorization.

23673838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11836921.

The product of its digits is 145152, while the sum is 40.

The square root of 23673838 is about 4865.5768414444. The cubic root of 23673838 is about 287.1372635137.

The spelling of 23673838 in words is "twenty-three million, six hundred seventy-three thousand, eight hundred thirty-eight".