223103231 has 4 divisors (see below), whose sum is σ = 240265032. Its totient is φ = 205941432.

The previous prime is 223103203. The next prime is 223103299. The reversal of 223103231 is 132301322.

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 223103231 - 2¹⁰ = 223102207 is a prime.

It is a super-3 number, since 3×223103231³ (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 (223103831) 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, 8580881 + ... + 8580906.

It is an arithmetic number, because the mean of its divisors is an integer number (60066258).

Almost surely, 2^223103231 is an apocalyptic number.

223103231 is a deficient number, since it is larger than the sum of its proper divisors (17161801).

223103231 is a wasteful number, since it uses less digits than its factorization.

223103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17161800.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 223103231 is about 14936.6405526812. The cubic root of 223103231 is about 606.5062583927.

Adding to 223103231 its reverse (132301322), we get a palindrome (355404553).

The spelling of 223103231 in words is "two hundred twenty-three million, one hundred three thousand, two hundred thirty-one".