6809123 has 4 divisors (see below), whose sum is σ = 6885720. Its totient is φ = 6732528.

The previous prime is 6809063. The next prime is 6809137. The reversal of 6809123 is 3219086.

6809123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6809123 - 2¹⁴ = 6792739 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (6809323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38165 + ... + 38342.

It is an arithmetic number, because the mean of its divisors is an integer number (1721430).

Almost surely, 2^6809123 is an apocalyptic number.

6809123 is a deficient number, since it is larger than the sum of its proper divisors (76597).

6809123 is an equidigital number, since it uses as much as digits as its factorization.

6809123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76596.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 6809123 is about 2609.4296311646. The cubic root of 6809123 is about 189.5383343615.

The spelling of 6809123 in words is "six million, eight hundred nine thousand, one hundred twenty-three".