64423305 has 24 divisors (see below), whose sum is σ = 112364928. Its totient is φ = 34144416.

The previous prime is 64423283. The next prime is 64423313. The reversal of 64423305 is 50332446.

64423305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64423305 - 2⁶ = 64423241 is a prime.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 2944 + ... + 11726.

It is an arithmetic number, because the mean of its divisors is an integer number (4681872).

Almost surely, 2^64423305 is an apocalyptic number.

It is an amenable number.

64423305 is a deficient number, since it is larger than the sum of its proper divisors (47941623).

64423305 is a wasteful number, since it uses less digits than its factorization.

64423305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8957 (or 8954 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 64423305 is about 8026.4129597224. The cubic root of 64423305 is about 400.8799482250.

The spelling of 64423305 in words is "sixty-four million, four hundred twenty-three thousand, three hundred five".