6811023 has 4 divisors (see below), whose sum is σ = 9081368. Its totient is φ = 4540680.

The previous prime is 6811003. The next prime is 6811031. The reversal of 6811023 is 3201186.

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

It is not a de Polignac number, because 6811023 - 2⁸ = 6810767 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135168 + ... + 1135173.

It is an arithmetic number, because the mean of its divisors is an integer number (2270342).

Almost surely, 2^6811023 is an apocalyptic number.

6811023 is a deficient number, since it is larger than the sum of its proper divisors (2270345).

6811023 is a wasteful number, since it uses less digits than its factorization.

6811023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270344.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 6811023 is about 2609.7936700054. The cubic root of 6811023 is about 189.5559621502. Note that the first 3 decimals are identical.

The spelling of 6811023 in words is "six million, eight hundred eleven thousand, twenty-three".