64223323 has 2 divisors, whose sum is σ = 64223324. Its totient is φ = 64223322.

The previous prime is 64223317. The next prime is 64223339. The reversal of 64223323 is 32332246.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64223323 - 2⁹ = 64222811 is a prime.

It is a super-3 number, since 3×64223323³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (64223303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32111661 + 32111662.

It is an arithmetic number, because the mean of its divisors is an integer number (32111662).

Almost surely, 2^64223323 is an apocalyptic number.

64223323 is a deficient number, since it is larger than the sum of its proper divisors (1).

64223323 is an equidigital number, since it uses as much as digits as its factorization.

64223323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 25.

The square root of 64223323 is about 8013.9455326325. The cubic root of 64223323 is about 400.4647161382.

Adding to 64223323 its reverse (32332246), we get a palindrome (96555569).

It can be divided in two parts, 64223 and 323, that added together give a palindrome (64546).

The spelling of 64223323 in words is "sixty-four million, two hundred twenty-three thousand, three hundred twenty-three".