63963223 has 2 divisors, whose sum is σ = 63963224. Its totient is φ = 63963222.

The previous prime is 63963217. The next prime is 63963227. The reversal of 63963223 is 32236936.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63963223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63963227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31981611 + 31981612.

It is an arithmetic number, because the mean of its divisors is an integer number (31981612).

Almost surely, 2^63963223 is an apocalyptic number.

63963223 is a deficient number, since it is larger than the sum of its proper divisors (1).

63963223 is an equidigital number, since it uses as much as digits as its factorization.

63963223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 34.

The square root of 63963223 is about 7997.7011071932. The cubic root of 63963223 is about 399.9233665692.

The spelling of 63963223 in words is "sixty-three million, nine hundred sixty-three thousand, two hundred twenty-three".