563663123 has 8 divisors (see below), whose sum is σ = 570172656. Its totient is φ = 557172000.

The previous prime is 563663099. The next prime is 563663137. The reversal of 563663123 is 321366365.

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 563663123 - 2¹² = 563659027 is a prime.

It is a super-2 number, since 2×563663123² = 635432232460226258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563663153) 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, 62540 + ... + 70982.

It is an arithmetic number, because the mean of its divisors is an integer number (71271582).

Almost surely, 2^563663123 is an apocalyptic number.

563663123 is a deficient number, since it is larger than the sum of its proper divisors (6509533).

563663123 is a wasteful number, since it uses less digits than its factorization.

563663123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9205.

The product of its digits is 58320, while the sum is 35.

The square root of 563663123 is about 23741.5905743486. The cubic root of 563663123 is about 826.0503905105.

The spelling of 563663123 in words is "five hundred sixty-three million, six hundred sixty-three thousand, one hundred twenty-three".