831923641 has 8 divisors (see below), whose sum is σ = 860382720. Its totient is φ = 803912928.

The previous prime is 831923629. The next prime is 831923647. The reversal of 831923641 is 146329138.

831923641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 831923641 - 2⁷ = 831923513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 831923641.

It is not an unprimeable number, because it can be changed into a prime (831923647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108316 + ... + 115741.

It is an arithmetic number, because the mean of its divisors is an integer number (107547840).

Almost surely, 2^831923641 is an apocalyptic number.

It is an amenable number.

831923641 is a deficient number, since it is larger than the sum of its proper divisors (28459079).

831923641 is a wasteful number, since it uses less digits than its factorization.

831923641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224183.

The product of its digits is 31104, while the sum is 37.

The square root of 831923641 is about 28843.0865373316. The cubic root of 831923641 is about 940.5051008802.

The spelling of 831923641 in words is "eight hundred thirty-one million, nine hundred twenty-three thousand, six hundred forty-one".