243233011223 has 4 divisors (see below), whose sum is σ = 243250216200. Its totient is φ = 243215806248.

The previous prime is 243233011211. The next prime is 243233011237. The reversal of 243233011223 is 322110332342.

It is a happy number.

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 243233011223 - 2⁴ = 243233011207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243233011192 and 243233011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243233011243) 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, 8581265 + ... + 8609562.

It is an arithmetic number, because the mean of its divisors is an integer number (60812554050).

Almost surely, 2^243233011223 is an apocalyptic number.

243233011223 is a deficient number, since it is larger than the sum of its proper divisors (17204977).

243233011223 is a wasteful number, since it uses less digits than its factorization.

243233011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17204976.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 243233011223 its reverse (322110332342), we get a palindrome (565343343565).

The spelling of 243233011223 in words is "two hundred forty-three billion, two hundred thirty-three million, eleven thousand, two hundred twenty-three".