1123436343313 has 2 divisors, whose sum is σ = 1123436343314. Its totient is φ = 1123436343312.

The previous prime is 1123436343151. The next prime is 1123436343317. The reversal of 1123436343313 is 3133436343211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1058618747664 + 64817595649 = 1028892^2 + 254593^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123436343313 - 2¹³ = 1123436335121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123436343317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561718171656 + 561718171657.

It is an arithmetic number, because the mean of its divisors is an integer number (561718171657).

Almost surely, 2^{1123436343313} is an apocalyptic number.

It is an amenable number.

1123436343313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123436343313 is an equidigital number, since it uses as much as digits as its factorization.

1123436343313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 37.

The spelling of 1123436343313 in words is "one trillion, one hundred twenty-three billion, four hundred thirty-six million, three hundred forty-three thousand, three hundred thirteen".