320123838 has 16 divisors (see below), whose sum is σ = 677909520. Its totient is φ = 100430976.

The previous prime is 320123819. The next prime is 320123849. The reversal of 320123838 is 838321023.

320123838 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 7 ways as a sum of consecutive naturals, for example, 1569133 + ... + 1569336.

It is an arithmetic number, because the mean of its divisors is an integer number (42369345).

Almost surely, 2^320123838 is an apocalyptic number.

320123838 is an abundant number, since it is smaller than the sum of its proper divisors (357785682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320123838 is a wasteful number, since it uses less digits than its factorization.

320123838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138491.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 320123838 is about 17892.0048625077. The cubic root of 320123838 is about 684.0786006251.

The spelling of 320123838 in words is "three hundred twenty million, one hundred twenty-three thousand, eight hundred thirty-eight".