64323255 has 8 divisors (see below), whose sum is σ = 102917232. Its totient is φ = 34305728.

The previous prime is 64323241. The next prime is 64323263. The reversal of 64323255 is 55232346.

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 64323255 - 2⁴ = 64323239 is a prime.

It is a super-2 number, since 2×64323255² = 8274962267590050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2144094 + ... + 2144123.

It is an arithmetic number, because the mean of its divisors is an integer number (12864654).

Almost surely, 2^64323255 is an apocalyptic number.

64323255 is a deficient number, since it is larger than the sum of its proper divisors (38593977).

64323255 is a wasteful number, since it uses less digits than its factorization.

64323255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288225.

The product of its digits is 21600, while the sum is 30.

The square root of 64323255 is about 8020.1779905436. The cubic root of 64323255 is about 400.6723172573.

Subtracting from 64323255 its reverse (55232346), we obtain a palindrome (9090909).

The spelling of 64323255 in words is "sixty-four million, three hundred twenty-three thousand, two hundred fifty-five".