563231234431 has 4 divisors (see below), whose sum is σ = 572777526600. Its totient is φ = 553684942264.

The previous prime is 563231234393. The next prime is 563231234471. The reversal of 563231234431 is 134432132365.

It is a happy number.

563231234431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 563231234431 - 2²⁵ = 563197679999 is a prime.

It is a super-2 number, since 2×563231234431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563231234471) 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, 4773145996 + ... + 4773146113.

It is an arithmetic number, because the mean of its divisors is an integer number (143194381650).

Almost surely, 2^563231234431 is an apocalyptic number.

563231234431 is a deficient number, since it is larger than the sum of its proper divisors (9546292169).

563231234431 is an equidigital number, since it uses as much as digits as its factorization.

563231234431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9546292168.

The product of its digits is 155520, while the sum is 37.

Adding to 563231234431 its reverse (134432132365), we get a palindrome (697663366796).

The spelling of 563231234431 in words is "five hundred sixty-three billion, two hundred thirty-one million, two hundred thirty-four thousand, four hundred thirty-one".