423426563 has 8 divisors (see below), whose sum is σ = 486451200. Its totient is φ = 361035720.

The previous prime is 423426541. The next prime is 423426569. The reversal of 423426563 is 365624324.

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

It is a cyclic number.

It is not a de Polignac number, because 423426563 - 2¹⁰ = 423425539 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (423426569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157013 + ... + 159686.

It is an arithmetic number, because the mean of its divisors is an integer number (60806400).

Almost surely, 2^423426563 is an apocalyptic number.

423426563 is a deficient number, since it is larger than the sum of its proper divisors (63024637).

423426563 is a wasteful number, since it uses less digits than its factorization.

423426563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316897.

The product of its digits is 103680, while the sum is 35.

The square root of 423426563 is about 20577.3312895526. The cubic root of 423426563 is about 750.9183198666.

The spelling of 423426563 in words is "four hundred twenty-three million, four hundred twenty-six thousand, five hundred sixty-three".