223144440203263 has 2 divisors, whose sum is σ = 223144440203264. Its totient is φ = 223144440203262.

The previous prime is 223144440203257. The next prime is 223144440203323. The reversal of 223144440203263 is 362302044441322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223144440203263 - 2²⁵ = 223144406648831 is a prime.

It is a super-3 number, since 3×223144440203263³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223144440200263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111572220101631 + 111572220101632.

It is an arithmetic number, because the mean of its divisors is an integer number (111572220101632).

Almost surely, 2^{223144440203263} is an apocalyptic number.

223144440203263 is a deficient number, since it is larger than the sum of its proper divisors (1).

223144440203263 is an equidigital number, since it uses as much as digits as its factorization.

223144440203263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 223144440203263 its reverse (362302044441322), we get a palindrome (585446484644585).

The spelling of 223144440203263 in words is "two hundred twenty-three trillion, one hundred forty-four billion, four hundred forty million, two hundred three thousand, two hundred sixty-three".