1111323112343 has 2 divisors, whose sum is σ = 1111323112344. Its totient is φ = 1111323112342.

The previous prime is 1111323112307. The next prime is 1111323112369. The reversal of 1111323112343 is 3432113231111.

It is an a-pointer prime, because the next prime (1111323112369) can be obtained adding 1111323112343 to its sum of digits (26).

It is a strong prime.

It is an emirp because it is prime and its reverse (3432113231111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111323112343 - 2⁶ = 1111323112279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111323118343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555661556171 + 555661556172.

It is an arithmetic number, because the mean of its divisors is an integer number (555661556172).

Almost surely, 2^{1111323112343} is an apocalyptic number.

1111323112343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111323112343 is an equidigital number, since it uses as much as digits as its factorization.

1111323112343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

Adding to 1111323112343 its reverse (3432113231111), we get a palindrome (4543436343454).

The spelling of 1111323112343 in words is "one trillion, one hundred eleven billion, three hundred twenty-three million, one hundred twelve thousand, three hundred forty-three".