63964323 has 10 divisors (see below), whose sum is σ = 95551764. Its totient is φ = 42642828.

The previous prime is 63964301. The next prime is 63964331. The reversal of 63964323 is 32346936.

63964323 is a `hidden beast` number, since 6 + 3 + 9 + 643 + 2 + 3 = 666.

It is not a de Polignac number, because 63964323 - 2⁵ = 63964291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63964363) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 394761 + ... + 394922.

Almost surely, 2^63964323 is an apocalyptic number.

63964323 is a deficient number, since it is larger than the sum of its proper divisors (31587441).

63964323 is an equidigital number, since it uses as much as digits as its factorization.

63964323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789695 (or 789686 counting only the distinct ones).

The product of its digits is 69984, while the sum is 36.

The square root of 63964323 is about 7997.7698766594. The cubic root of 63964323 is about 399.9256591011.

The spelling of 63964323 in words is "sixty-three million, nine hundred sixty-four thousand, three hundred twenty-three".