1133423111237 has 2 divisors, whose sum is σ = 1133423111238. Its totient is φ = 1133423111236.

The previous prime is 1133423111231. The next prime is 1133423111239. The reversal of 1133423111237 is 7321113243311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1118276640196 + 15146471041 = 1057486^2 + 123071^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133423111237 - 2³⁴ = 1116243242053 is a prime.

Together with 1133423111239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133423111231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566711555618 + 566711555619.

It is an arithmetic number, because the mean of its divisors is an integer number (566711555619).

Almost surely, 2^{1133423111237} is an apocalyptic number.

It is an amenable number.

1133423111237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133423111237 is an equidigital number, since it uses as much as digits as its factorization.

1133423111237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

Adding to 1133423111237 its reverse (7321113243311), we get a palindrome (8454536354548).

The spelling of 1133423111237 in words is "one trillion, one hundred thirty-three billion, four hundred twenty-three million, one hundred eleven thousand, two hundred thirty-seven".