64223063 has 4 divisors (see below), whose sum is σ = 64376760. Its totient is φ = 64069368.

The previous prime is 64223053. The next prime is 64223077. The reversal of 64223063 is 36032246.

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

It is a cyclic number.

It is not a de Polignac number, because 64223063 - 2⁶ = 64222999 is a prime.

It is a super-2 number, since 2×64223063² = 8249203642203938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64223053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76220 + ... + 77057.

It is an arithmetic number, because the mean of its divisors is an integer number (16094190).

Almost surely, 2^64223063 is an apocalyptic number.

64223063 is a deficient number, since it is larger than the sum of its proper divisors (153697).

64223063 is a wasteful number, since it uses less digits than its factorization.

64223063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153696.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 64223063 is about 8013.9293108936. The cubic root of 64223063 is about 400.4641757272.

The spelling of 64223063 in words is "sixty-four million, two hundred twenty-three thousand, sixty-three".