6945823 has 4 divisors (see below), whose sum is σ = 7049560. Its totient is φ = 6842088.

The previous prime is 6945817. The next prime is 6945857. The reversal of 6945823 is 3285496.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6945823 is a prime.

It is a d-powerful number, because it can be written as 6 + 9⁷ + 4⁸ + 5³ + 8 + 2²¹ + 3³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6945803) 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, 51768 + ... + 51901.

It is an arithmetic number, because the mean of its divisors is an integer number (1762390).

Almost surely, 2^6945823 is an apocalyptic number.

6945823 is a deficient number, since it is larger than the sum of its proper divisors (103737).

6945823 is a wasteful number, since it uses less digits than its factorization.

6945823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103736.

The product of its digits is 51840, while the sum is 37.

The square root of 6945823 is about 2635.4929330203. The cubic root of 6945823 is about 190.7983306744.

The spelling of 6945823 in words is "six million, nine hundred forty-five thousand, eight hundred twenty-three".