223112231 has 8 divisors (see below), whose sum is σ = 237495600. Its totient is φ = 208992960.

The previous prime is 223112221. The next prime is 223112249. The reversal of 223112231 is 132211322.

223112231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223112231 is a prime.

It is a super-3 number, since 3×223112231³ (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (223112221) 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, 64280 + ... + 67661.

It is an arithmetic number, because the mean of its divisors is an integer number (29686950).

Almost surely, 2^223112231 is an apocalyptic number.

223112231 is a deficient number, since it is larger than the sum of its proper divisors (14383369).

223112231 is a wasteful number, since it uses less digits than its factorization.

223112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132049.

The product of its digits is 144, while the sum is 17.

The square root of 223112231 is about 14936.9418222071. The cubic root of 223112231 is about 606.5144137847.

Adding to 223112231 its reverse (132211322), we get a palindrome (355323553).

Subtracting from 223112231 its reverse (132211322), we obtain a palindrome (90900909).

It can be divided in two parts, 22311 and 2231, that added together give a palindrome (24542).

The spelling of 223112231 in words is "two hundred twenty-three million, one hundred twelve thousand, two hundred thirty-one".