63478223 has 4 divisors (see below), whose sum is σ = 63495120. Its totient is φ = 63461328.

The previous prime is 63478213. The next prime is 63478241. The reversal of 63478223 is 32287436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63478223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63478213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 11267.

It is an arithmetic number, because the mean of its divisors is an integer number (15873780).

Almost surely, 2^63478223 is an apocalyptic number.

63478223 is a deficient number, since it is larger than the sum of its proper divisors (16897).

63478223 is a wasteful number, since it uses less digits than its factorization.

63478223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16896.

The product of its digits is 48384, while the sum is 35.

The square root of 63478223 is about 7967.3221975768. The cubic root of 63478223 is about 398.9099970151.

The spelling of 63478223 in words is "sixty-three million, four hundred seventy-eight thousand, two hundred twenty-three".