231828863 has 8 divisors (see below), whose sum is σ = 270584832. Its totient is φ = 194482296.

The previous prime is 231828859. The next prime is 231828893. The reversal of 231828863 is 368828132.

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 231828863 - 2² = 231828859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231828863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231828893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351995 + ... + 352652.

It is an arithmetic number, because the mean of its divisors is an integer number (33823104).

Almost surely, 2^231828863 is an apocalyptic number.

231828863 is a deficient number, since it is larger than the sum of its proper divisors (38755969).

231828863 is an equidigital number, since it uses as much as digits as its factorization.

231828863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704701.

The product of its digits is 110592, while the sum is 41.

The square root of 231828863 is about 15225.9273280809. The cubic root of 231828863 is about 614.3122397287.

The spelling of 231828863 in words is "two hundred thirty-one million, eight hundred twenty-eight thousand, eight hundred sixty-three".