223133231231 has 4 divisors (see below), whose sum is σ = 223352205000. Its totient is φ = 222914257464.

The previous prime is 223133231221. The next prime is 223133231261. The reversal of 223133231231 is 132132331322.

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 223133231231 - 2³⁴ = 205953362047 is a prime.

It is a super-3 number, since 3×223133231231³ (a number of 35 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 self number, because there is not a number n which added to its sum of digits gives 223133231231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223133231201) 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, 109485356 + ... + 109487393.

It is an arithmetic number, because the mean of its divisors is an integer number (55838051250).

Almost surely, 2^223133231231 is an apocalyptic number.

223133231231 is a deficient number, since it is larger than the sum of its proper divisors (218973769).

223133231231 is a wasteful number, since it uses less digits than its factorization.

223133231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218973768.

The product of its digits is 3888, while the sum is 26.

Adding to 223133231231 its reverse (132132331322), we get a palindrome (355265562553).

The spelling of 223133231231 in words is "two hundred twenty-three billion, one hundred thirty-three million, two hundred thirty-one thousand, two hundred thirty-one".