223243221344111 has 2 divisors, whose sum is σ = 223243221344112. Its totient is φ = 223243221344110.

The previous prime is 223243221344083. The next prime is 223243221344123. The reversal of 223243221344111 is 111443122342322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223243221344111 is a prime.

It is a super-3 number, since 3×223243221344111³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223243221344161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111621610672055 + 111621610672056.

It is an arithmetic number, because the mean of its divisors is an integer number (111621610672056).

Almost surely, 2^{223243221344111} is an apocalyptic number.

223243221344111 is a deficient number, since it is larger than the sum of its proper divisors (1).

223243221344111 is an equidigital number, since it uses as much as digits as its factorization.

223243221344111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 35.

Adding to 223243221344111 its reverse (111443122342322), we get a palindrome (334686343686433).

The spelling of 223243221344111 in words is "two hundred twenty-three trillion, two hundred forty-three billion, two hundred twenty-one million, three hundred forty-four thousand, one hundred eleven".