232231563 has 8 divisors (see below), whose sum is σ = 344046800. Its totient is φ = 154821024.

The previous prime is 232231541. The next prime is 232231583. The reversal of 232231563 is 365132232.

It is not a de Polignac number, because 232231563 - 2¹⁰ = 232230539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8601169 = 232231563 / (2 + 3 + 2 + 2 + 3 + 1 + 5 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232231583) 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, 4300558 + ... + 4300611.

It is an arithmetic number, because the mean of its divisors is an integer number (43005850).

Almost surely, 2^232231563 is an apocalyptic number.

232231563 is a deficient number, since it is larger than the sum of its proper divisors (111815237).

232231563 is an equidigital number, since it uses as much as digits as its factorization.

232231563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8601178 (or 8601172 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 232231563 is about 15239.1457437745. The cubic root of 232231563 is about 614.6677324745.

Adding to 232231563 its reverse (365132232), we get a palindrome (597363795).

The spelling of 232231563 in words is "two hundred thirty-two million, two hundred thirty-one thousand, five hundred sixty-three".