63223871 has 4 divisors (see below), whose sum is σ = 63345744. Its totient is φ = 63102000.

The previous prime is 63223819. The next prime is 63223903. The reversal of 63223871 is 17832236.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 63223871 - 2²² = 59029567 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 (63223471) 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, 60155 + ... + 61196.

It is an arithmetic number, because the mean of its divisors is an integer number (15836436).

Almost surely, 2^63223871 is an apocalyptic number.

63223871 is a deficient number, since it is larger than the sum of its proper divisors (121873).

63223871 is a wasteful number, since it uses less digits than its factorization.

63223871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121872.

The product of its digits is 12096, while the sum is 32.

The square root of 63223871 is about 7951.3439744486. The cubic root of 63223871 is about 398.3764839879.

The spelling of 63223871 in words is "sixty-three million, two hundred twenty-three thousand, eight hundred seventy-one".