22023456563 has 4 divisors (see below), whose sum is σ = 22037731248. Its totient is φ = 22009181880.

The previous prime is 22023456551. The next prime is 22023456571. The reversal of 22023456563 is 36565432022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22023456563 - 2³⁰ = 20949714739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22023456503) 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, 7135028 + ... + 7138113.

It is an arithmetic number, because the mean of its divisors is an integer number (5509432812).

Almost surely, 2^22023456563 is an apocalyptic number.

22023456563 is a deficient number, since it is larger than the sum of its proper divisors (14274685).

22023456563 is a wasteful number, since it uses less digits than its factorization.

22023456563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14274684.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 22023456563 its reverse (36565432022), we get a palindrome (58588888585).

The spelling of 22023456563 in words is "twenty-two billion, twenty-three million, four hundred fifty-six thousand, five hundred sixty-three".