263011042311223 has 2 divisors, whose sum is σ = 263011042311224. Its totient is φ = 263011042311222.

The previous prime is 263011042311107. The next prime is 263011042311253. The reversal of 263011042311223 is 322113240110362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263011042311223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263011042311253) 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, 131505521155611 + 131505521155612.

It is an arithmetic number, because the mean of its divisors is an integer number (131505521155612).

Almost surely, 2^{263011042311223} is an apocalyptic number.

263011042311223 is a deficient number, since it is larger than the sum of its proper divisors (1).

263011042311223 is an equidigital number, since it uses as much as digits as its factorization.

263011042311223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 263011042311223 its reverse (322113240110362), we get a palindrome (585124282421585).

The spelling of 263011042311223 in words is "two hundred sixty-three trillion, eleven billion, forty-two million, three hundred eleven thousand, two hundred twenty-three".