423866063 has 4 divisors (see below), whose sum is σ = 423907848. Its totient is φ = 423824280.

The previous prime is 423866029. The next prime is 423866071. The reversal of 423866063 is 360668324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 423866063 - 2¹⁸ = 423603919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423806063) 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 3 ways as a sum of consecutive naturals, for example, 5120 + ... + 29562.

It is an arithmetic number, because the mean of its divisors is an integer number (105976962).

Almost surely, 2^423866063 is an apocalyptic number.

423866063 is a deficient number, since it is larger than the sum of its proper divisors (41785).

423866063 is a wasteful number, since it uses less digits than its factorization.

423866063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41784.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 423866063 is about 20588.0077472299. The cubic root of 423866063 is about 751.1780378521.

The spelling of 423866063 in words is "four hundred twenty-three million, eight hundred sixty-six thousand, sixty-three".