423560663 has 8 divisors (see below), whose sum is σ = 451381248. Its totient is φ = 396523864.

The previous prime is 423560623. The next prime is 423560693. The reversal of 423560663 is 366065324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423560663 - 2¹⁰ = 423559639 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 (423560603) 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 7 ways as a sum of consecutive naturals, for example, 194831 + ... + 196992.

It is an arithmetic number, because the mean of its divisors is an integer number (56422656).

Almost surely, 2^423560663 is an apocalyptic number.

423560663 is a deficient number, since it is larger than the sum of its proper divisors (27820585).

423560663 is a wasteful number, since it uses less digits than its factorization.

423560663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391893.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 423560663 is about 20580.5894716356. The cubic root of 423560663 is about 750.9975839209.

The spelling of 423560663 in words is "four hundred twenty-three million, five hundred sixty thousand, six hundred sixty-three".