63223903 has 2 divisors, whose sum is σ = 63223904. Its totient is φ = 63223902.

The previous prime is 63223819. The next prime is 63223931. The reversal of 63223903 is 30932236.

It is an a-pointer prime, because the next prime (63223931) can be obtained adding 63223903 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63223903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63223933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31611951 + 31611952.

It is an arithmetic number, because the mean of its divisors is an integer number (31611952).

Almost surely, 2^63223903 is an apocalyptic number.

63223903 is a deficient number, since it is larger than the sum of its proper divisors (1).

63223903 is an equidigital number, since it uses as much as digits as its factorization.

63223903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 63223903 is about 7951.3459866868. The cubic root of 63223903 is about 398.3765511990.

The spelling of 63223903 in words is "sixty-three million, two hundred twenty-three thousand, nine hundred three".