223444312243 has 2 divisors, whose sum is σ = 223444312244. Its totient is φ = 223444312242.

The previous prime is 223444312151. The next prime is 223444312349. The reversal of 223444312243 is 342213444322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223444312243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223444312199 and 223444312208.

It is not a weakly prime, because it can be changed into another prime (223444312043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111722156121 + 111722156122.

It is an arithmetic number, because the mean of its divisors is an integer number (111722156122).

Almost surely, 2^223444312243 is an apocalyptic number.

223444312243 is a deficient number, since it is larger than the sum of its proper divisors (1).

223444312243 is an equidigital number, since it uses as much as digits as its factorization.

223444312243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 34.

Adding to 223444312243 its reverse (342213444322), we get a palindrome (565657756565).

The spelling of 223444312243 in words is "two hundred twenty-three billion, four hundred forty-four million, three hundred twelve thousand, two hundred forty-three".