63381223 has 2 divisors, whose sum is σ = 63381224. Its totient is φ = 63381222.

The previous prime is 63381187. The next prime is 63381229. The reversal of 63381223 is 32218336.

It is a strong prime.

63381223 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 63381223 - 2¹⁷ = 63250151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63381191 and 63381200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63381229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31690611 + 31690612.

It is an arithmetic number, because the mean of its divisors is an integer number (31690612).

Almost surely, 2^63381223 is an apocalyptic number.

63381223 is a deficient number, since it is larger than the sum of its proper divisors (1).

63381223 is an equidigital number, since it uses as much as digits as its factorization.

63381223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 63381223 is about 7961.2325050836. The cubic root of 63381223 is about 398.7067042217.

Adding to 63381223 its reverse (32218336), we get a palindrome (95599559).

The spelling of 63381223 in words is "sixty-three million, three hundred eighty-one thousand, two hundred twenty-three".