320123836 has 12 divisors (see below), whose sum is σ = 560840728. Its totient is φ = 159883632.

The previous prime is 320123819. The next prime is 320123849. The reversal of 320123836 is 638321023.

320123836 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40491 + ... + 47746.

Almost surely, 2^320123836 is an apocalyptic number.

It is an amenable number.

320123836 is a deficient number, since it is larger than the sum of its proper divisors (240716892).

320123836 is a wasteful number, since it uses less digits than its factorization.

320123836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89148 (or 89146 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 320123836 is about 17892.0048066168. The cubic root of 320123836 is about 684.0785992005.

Adding to 320123836 its reverse (638321023), we get a palindrome (958444859).

The spelling of 320123836 in words is "three hundred twenty million, one hundred twenty-three thousand, eight hundred thirty-six".