223132231 has 6 divisors (see below), whose sum is σ = 259562040. Its totient is φ = 191256156.

The previous prime is 223132213. The next prime is 223132241. The reversal of 223132231 is 132231322.

It is a de Polignac number, because none of the positive numbers 2^k-223132231 is a prime.

It is a super-3 number, since 3×223132231³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223132199 and 223132208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223132211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2276811 + ... + 2276908.

It is an arithmetic number, because the mean of its divisors is an integer number (43260340).

Almost surely, 2^223132231 is an apocalyptic number.

223132231 is a deficient number, since it is larger than the sum of its proper divisors (36429809).

223132231 is an equidigital number, since it uses as much as digits as its factorization.

223132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553733 (or 4553726 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 223132231 is about 14937.6112882884. The cubic root of 223132231 is about 606.5325360929.

Adding to 223132231 its reverse (132231322), we get a palindrome (355363553).

Subtracting from 223132231 its reverse (132231322), we obtain a palindrome (90900909).

The spelling of 223132231 in words is "two hundred twenty-three million, one hundred thirty-two thousand, two hundred thirty-one".