63385423 has 2 divisors, whose sum is σ = 63385424. Its totient is φ = 63385422.

The previous prime is 63385373. The next prime is 63385433. The reversal of 63385423 is 32458336.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63385423 - 2⁹ = 63384911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63385433) 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, 31692711 + 31692712.

It is an arithmetic number, because the mean of its divisors is an integer number (31692712).

Almost surely, 2^63385423 is an apocalyptic number.

63385423 is a deficient number, since it is larger than the sum of its proper divisors (1).

63385423 is an equidigital number, since it uses as much as digits as its factorization.

63385423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 34.

The square root of 63385423 is about 7961.4962789667. The cubic root of 63385423 is about 398.7155108845.

The spelling of 63385423 in words is "sixty-three million, three hundred eighty-five thousand, four hundred twenty-three".