64351323 has 6 divisors (see below), whose sum is σ = 92951924. Its totient is φ = 42900876.

The previous prime is 64351291. The next prime is 64351337. The reversal of 64351323 is 32315346.

It is a happy number.

64351323 is a `hidden beast` number, since 643 + 5 + 13 + 2 + 3 = 666.

It is not a de Polignac number, because 64351323 - 2⁵ = 64351291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64351373) 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 in 5 ways as a sum of consecutive naturals, for example, 3575065 + ... + 3575082.

Almost surely, 2^64351323 is an apocalyptic number.

64351323 is a deficient number, since it is larger than the sum of its proper divisors (28600601).

64351323 is a wasteful number, since it uses less digits than its factorization.

64351323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7150153 (or 7150150 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 64351323 is about 8021.9276361732. The cubic root of 64351323 is about 400.7305877083.

Adding to 64351323 its reverse (32315346), we get a palindrome (96666669).

The spelling of 64351323 in words is "sixty-four million, three hundred fifty-one thousand, three hundred twenty-three".