6430823 has 16 divisors (see below), whose sum is σ = 7810560. Its totient is φ = 5175456.

The previous prime is 6430819. The next prime is 6430829. The reversal of 6430823 is 3280346.

6430823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6430823 - 2² = 6430819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6430792 and 6430801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6430829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9161 + ... + 9837.

It is an arithmetic number, because the mean of its divisors is an integer number (488160).

Almost surely, 2^6430823 is an apocalyptic number.

6430823 is a deficient number, since it is larger than the sum of its proper divisors (1379737).

6430823 is a wasteful number, since it uses less digits than its factorization.

6430823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 6430823 is about 2535.9067411875. The cubic root of 6430823 is about 185.9611338224.

The spelling of 6430823 in words is "six million, four hundred thirty thousand, eight hundred twenty-three".