223231243 has 4 divisors (see below), whose sum is σ = 223423048. Its totient is φ = 223039440.

The previous prime is 223231231. The next prime is 223231259. The reversal of 223231243 is 342132322.

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 223231243 - 2²⁵ = 189676811 is a prime.

It is a super-3 number, since 3×223231243³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223231213) 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, 94146 + ... + 96487.

It is an arithmetic number, because the mean of its divisors is an integer number (55855762).

Almost surely, 2^223231243 is an apocalyptic number.

223231243 is a deficient number, since it is larger than the sum of its proper divisors (191805).

223231243 is a wasteful number, since it uses less digits than its factorization.

223231243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191804.

The product of its digits is 1728, while the sum is 22.

The square root of 223231243 is about 14940.9251052269. The cubic root of 223231243 is about 606.6222364448.

Adding to 223231243 its reverse (342132322), we get a palindrome (565363565).

The spelling of 223231243 in words is "two hundred twenty-three million, two hundred thirty-one thousand, two hundred forty-three".