56806423 has 2 divisors, whose sum is σ = 56806424. Its totient is φ = 56806422.

The previous prime is 56806403. The next prime is 56806441. The reversal of 56806423 is 32460865.

It is a happy number.

56806423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56806423 - 2²¹ = 54709271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56806403) 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, 28403211 + 28403212.

It is an arithmetic number, because the mean of its divisors is an integer number (28403212).

Almost surely, 2^56806423 is an apocalyptic number.

56806423 is a deficient number, since it is larger than the sum of its proper divisors (1).

56806423 is an equidigital number, since it uses as much as digits as its factorization.

56806423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 56806423 is about 7537.0035823263. The cubic root of 56806423 is about 384.4139574324.

The spelling of 56806423 in words is "fifty-six million, eight hundred six thousand, four hundred twenty-three".