223615441243 has 2 divisors, whose sum is σ = 223615441244. Its totient is φ = 223615441242.

The previous prime is 223615441229. The next prime is 223615441319. The reversal of 223615441243 is 342144516322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223615441243 - 2⁹ = 223615440731 is a prime.

It is not a weakly prime, because it can be changed into another prime (223615441223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111807720621 + 111807720622.

It is an arithmetic number, because the mean of its divisors is an integer number (111807720622).

Almost surely, 2^223615441243 is an apocalyptic number.

223615441243 is a deficient number, since it is larger than the sum of its proper divisors (1).

223615441243 is an equidigital number, since it uses as much as digits as its factorization.

223615441243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 37.

Adding to 223615441243 its reverse (342144516322), we get a palindrome (565759957565).

The spelling of 223615441243 in words is "two hundred twenty-three billion, six hundred fifteen million, four hundred forty-one thousand, two hundred forty-three".