1311334424423 has 2 divisors, whose sum is σ = 1311334424424. Its totient is φ = 1311334424422.

The previous prime is 1311334424399. The next prime is 1311334424429. The reversal of 1311334424423 is 3244244331131.

It is a strong prime.

It is an emirp because it is prime and its reverse (3244244331131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1311334424423 - 2¹² = 1311334420327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311334424429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655667212211 + 655667212212.

It is an arithmetic number, because the mean of its divisors is an integer number (655667212212).

Almost surely, 2^{1311334424423} is an apocalyptic number.

1311334424423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311334424423 is an equidigital number, since it uses as much as digits as its factorization.

1311334424423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 35.

Adding to 1311334424423 its reverse (3244244331131), we get a palindrome (4555578755554).

The spelling of 1311334424423 in words is "one trillion, three hundred eleven billion, three hundred thirty-four million, four hundred twenty-four thousand, four hundred twenty-three".