23656838 has 8 divisors (see below), whose sum is σ = 36444432. Its totient is φ = 11508696.

The previous prime is 23656807. The next prime is 23656847. The reversal of 23656838 is 83865632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23656795 and 23656804.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 159770 + ... + 159917.

It is an arithmetic number, because the mean of its divisors is an integer number (4555554).

Almost surely, 2^23656838 is an apocalyptic number.

23656838 is a deficient number, since it is larger than the sum of its proper divisors (12787594).

23656838 is a wasteful number, since it uses less digits than its factorization.

23656838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319726.

The product of its digits is 207360, while the sum is 41.

The square root of 23656838 is about 4863.8295611586. The cubic root of 23656838 is about 287.0685167060.

The spelling of 23656838 in words is "twenty-three million, six hundred fifty-six thousand, eight hundred thirty-eight".