63856323 has 8 divisors (see below), whose sum is σ = 94602000. Its totient is φ = 42570864.

The previous prime is 63856319. The next prime is 63856357. The reversal of 63856323 is 32365836.

It is a happy number.

63856323 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 63856323 - 2² = 63856319 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (63856313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182498 + ... + 1182551.

It is an arithmetic number, because the mean of its divisors is an integer number (11825250).

Almost surely, 2^63856323 is an apocalyptic number.

63856323 is a deficient number, since it is larger than the sum of its proper divisors (30745677).

63856323 is a wasteful number, since it uses less digits than its factorization.

63856323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365058 (or 2365052 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 63856323 is about 7991.0151420204. The cubic root of 63856323 is about 399.7004486451.

The spelling of 63856323 in words is "sixty-three million, eight hundred fifty-six thousand, three hundred twenty-three".