268805787223 has 2 divisors, whose sum is σ = 268805787224. Its totient is φ = 268805787222.

The previous prime is 268805787203. The next prime is 268805787241. The reversal of 268805787223 is 322787508862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268805787223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268805787203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134402893611 + 134402893612.

It is an arithmetic number, because the mean of its divisors is an integer number (134402893612).

Almost surely, 2^268805787223 is an apocalyptic number.

268805787223 is a deficient number, since it is larger than the sum of its proper divisors (1).

268805787223 is an equidigital number, since it uses as much as digits as its factorization.

268805787223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 268805787223 in words is "two hundred sixty-eight billion, eight hundred five million, seven hundred eighty-seven thousand, two hundred twenty-three".