656044423 has 8 divisors (see below), whose sum is σ = 667573200. Its totient is φ = 644529408.

The previous prime is 656044393. The next prime is 656044427. The reversal of 656044423 is 324440656.

656044423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 656044423 - 2⁵ = 656044391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656044427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156823 + ... + 160951.

It is an arithmetic number, because the mean of its divisors is an integer number (83446650).

Almost surely, 2^656044423 is an apocalyptic number.

656044423 is a deficient number, since it is larger than the sum of its proper divisors (11528777).

656044423 is a wasteful number, since it uses less digits than its factorization.

656044423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 656044423 is about 25613.3641484285. The cubic root of 656044423 is about 868.9159100140.

The spelling of 656044423 in words is "six hundred fifty-six million, forty-four thousand, four hundred twenty-three".