266004213340223 has 2 divisors, whose sum is σ = 266004213340224. Its totient is φ = 266004213340222.

The previous prime is 266004213340181. The next prime is 266004213340247. The reversal of 266004213340223 is 322043312400662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266004213340223 - 2¹⁴ = 266004213323839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266004213340423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133002106670111 + 133002106670112.

It is an arithmetic number, because the mean of its divisors is an integer number (133002106670112).

Almost surely, 2^{266004213340223} is an apocalyptic number.

266004213340223 is a deficient number, since it is larger than the sum of its proper divisors (1).

266004213340223 is an equidigital number, since it uses as much as digits as its factorization.

266004213340223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 38.

Adding to 266004213340223 its reverse (322043312400662), we get a palindrome (588047525740885).

The spelling of 266004213340223 in words is "two hundred sixty-six trillion, four billion, two hundred thirteen million, three hundred forty thousand, two hundred twenty-three".