223223234431 has 4 divisors (see below), whose sum is σ = 224281164664. Its totient is φ = 222165304200.

The previous prime is 223223234417. The next prime is 223223234447. The reversal of 223223234431 is 134432322322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223223234431 is a prime.

It is a super-3 number, since 3×223223234431³ (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 junction number, because it is equal to n+sod(n) for n = 223223234393 and 223223234402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223223232431) 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, 528964800 + ... + 528965221.

It is an arithmetic number, because the mean of its divisors is an integer number (56070291166).

Almost surely, 2^223223234431 is an apocalyptic number.

223223234431 is a deficient number, since it is larger than the sum of its proper divisors (1057930233).

223223234431 is a wasteful number, since it uses less digits than its factorization.

223223234431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057930232.

The product of its digits is 41472, while the sum is 31.

Adding to 223223234431 its reverse (134432322322), we get a palindrome (357655556753).

The spelling of 223223234431 in words is "two hundred twenty-three billion, two hundred twenty-three million, two hundred thirty-four thousand, four hundred thirty-one".