5656823 has 2 divisors, whose sum is σ = 5656824. Its totient is φ = 5656822.

The previous prime is 5656817. The next prime is 5656829. The reversal of 5656823 is 3286565.

It is a balanced prime because it is at equal distance from previous prime (5656817) and next prime (5656829).

It is a cyclic number.

It is not a de Polignac number, because 5656823 - 2⁶ = 5656759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5656829) 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 as a sum of consecutive naturals, namely, 2828411 + 2828412.

It is an arithmetic number, because the mean of its divisors is an integer number (2828412).

Almost surely, 2^5656823 is an apocalyptic number.

5656823 is a deficient number, since it is larger than the sum of its proper divisors (1).

5656823 is an equidigital number, since it uses as much as digits as its factorization.

5656823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 5656823 is about 2378.4076605998. The cubic root of 5656823 is about 178.1794155284.

The spelling of 5656823 in words is "five million, six hundred fifty-six thousand, eight hundred twenty-three".