64031323 has 4 divisors (see below), whose sum is σ = 64492120. Its totient is φ = 63570528.

The previous prime is 64031321. The next prime is 64031327. The reversal of 64031323 is 32313046.

64031323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32313046 = 2 ⋅16156523.

It is a cyclic number.

It is not a de Polignac number, because 64031323 - 2¹ = 64031321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64031294 and 64031303.

It is not an unprimeable number, because it can be changed into a prime (64031321) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 230190 + ... + 230467.

It is an arithmetic number, because the mean of its divisors is an integer number (16123030).

Almost surely, 2^64031323 is an apocalyptic number.

64031323 is a deficient number, since it is larger than the sum of its proper divisors (460797).

64031323 is a wasteful number, since it uses less digits than its factorization.

64031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460796.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 64031323 is about 8001.9574480248. The cubic root of 64031323 is about 400.0652456069.

Adding to 64031323 its reverse (32313046), we get a palindrome (96344369).

The spelling of 64031323 in words is "sixty-four million, thirty-one thousand, three hundred twenty-three".