63205423 has 2 divisors, whose sum is σ = 63205424. Its totient is φ = 63205422.

The previous prime is 63205393. The next prime is 63205427. The reversal of 63205423 is 32450236.

It is a happy number.

63205423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63205423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63205427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31602711 + 31602712.

It is an arithmetic number, because the mean of its divisors is an integer number (31602712).

Almost surely, 2^63205423 is an apocalyptic number.

63205423 is a deficient number, since it is larger than the sum of its proper divisors (1).

63205423 is an equidigital number, since it uses as much as digits as its factorization.

63205423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 63205423 is about 7950.1838343525. The cubic root of 63205423 is about 398.3377329898.

Adding to 63205423 its reverse (32450236), we get a palindrome (95655659).

The spelling of 63205423 in words is "sixty-three million, two hundred five thousand, four hundred twenty-three".