23453571563 has 8 divisors (see below), whose sum is σ = 24265675200. Its totient is φ = 22641691968.

The previous prime is 23453571553. The next prime is 23453571601. The reversal of 23453571563 is 36517535432.

It is a happy number.

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 23453571563 - 2²⁰ = 23452522987 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (23453571553) 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, 172895 + ... + 277127.

It is an arithmetic number, because the mean of its divisors is an integer number (3033209400).

Almost surely, 2^23453571563 is an apocalyptic number.

23453571563 is a deficient number, since it is larger than the sum of its proper divisors (812103637).

23453571563 is a wasteful number, since it uses less digits than its factorization.

23453571563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112021.

The product of its digits is 1134000, while the sum is 44.

The spelling of 23453571563 in words is "twenty-three billion, four hundred fifty-three million, five hundred seventy-one thousand, five hundred sixty-three".