1311114823 has 2 divisors, whose sum is σ = 1311114824. Its totient is φ = 1311114822.

The previous prime is 1311114811. The next prime is 1311114881. The reversal of 1311114823 is 3284111131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311114823 - 2²⁵ = 1277560391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311114923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655557411 + 655557412.

It is an arithmetic number, because the mean of its divisors is an integer number (655557412).

Almost surely, 2^1311114823 is an apocalyptic number.

1311114823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311114823 is an equidigital number, since it uses as much as digits as its factorization.

1311114823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 25.

The square root of 1311114823 is about 36209.3195600249. The cubic root of 1311114823 is about 1094.4944805565.

Adding to 1311114823 its reverse (3284111131), we get a palindrome (4595225954).

The spelling of 1311114823 in words is "one billion, three hundred eleven million, one hundred fourteen thousand, eight hundred twenty-three".