563387723 has 4 divisors (see below), whose sum is σ = 563442768. Its totient is φ = 563332680.

The previous prime is 563387717. The next prime is 563387761. The reversal of 563387723 is 327783365.

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 563387723 - 2¹⁸ = 563125579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563387023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7136 + ... + 34317.

It is an arithmetic number, because the mean of its divisors is an integer number (140860692).

Almost surely, 2^563387723 is an apocalyptic number.

563387723 is a deficient number, since it is larger than the sum of its proper divisors (55045).

563387723 is a wasteful number, since it uses less digits than its factorization.

563387723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55044.

The product of its digits is 635040, while the sum is 44.

The square root of 563387723 is about 23735.7899173379. The cubic root of 563387723 is about 825.9158353546.

The spelling of 563387723 in words is "five hundred sixty-three million, three hundred eighty-seven thousand, seven hundred twenty-three".