6813823 has 8 divisors (see below), whose sum is σ = 7014656. Its totient is φ = 6615000.

The previous prime is 6813817. The next prime is 6813847. The reversal of 6813823 is 3283186.

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 6813823 - 2²¹ = 4716671 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6813853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8698 + ... + 9448.

It is an arithmetic number, because the mean of its divisors is an integer number (876832).

Almost surely, 2^6813823 is an apocalyptic number.

6813823 is a deficient number, since it is larger than the sum of its proper divisors (200833).

6813823 is a wasteful number, since it uses less digits than its factorization.

6813823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its digits is 6912, while the sum is 31.

The square root of 6813823 is about 2610.3300557592. The cubic root of 6813823 is about 189.5819339697.

The spelling of 6813823 in words is "six million, eight hundred thirteen thousand, eight hundred twenty-three".