423063663 has 16 divisors (see below), whose sum is σ = 618596352. Its totient is φ = 255056000.

The previous prime is 423063647. The next prime is 423063701. The reversal of 423063663 is 366360324.

It is a cyclic number.

It is not a de Polignac number, because 423063663 - 2⁴ = 423063647 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423063643) 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 in 15 ways as a sum of consecutive naturals, for example, 27258 + ... + 39863.

It is an arithmetic number, because the mean of its divisors is an integer number (38662272).

Almost surely, 2^423063663 is an apocalyptic number.

423063663 is a deficient number, since it is larger than the sum of its proper divisors (195532689).

423063663 is a wasteful number, since it uses less digits than its factorization.

423063663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67326.

The product of its (nonzero) digits is 46656, while the sum is 33.

The square root of 423063663 is about 20568.5114434662. The cubic root of 423063663 is about 750.7037323634.

The spelling of 423063663 in words is "four hundred twenty-three million, sixty-three thousand, six hundred sixty-three".