1123356677813 has 2 divisors, whose sum is σ = 1123356677814. Its totient is φ = 1123356677812.

The previous prime is 1123356677791. The next prime is 1123356677827. The reversal of 1123356677813 is 3187766533211.

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., 1069968878449 + 53387799364 = 1034393^2 + 231058^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123356677813 - 2¹² = 1123356673717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123356671813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561678338906 + 561678338907.

It is an arithmetic number, because the mean of its divisors is an integer number (561678338907).

Almost surely, 2^{1123356677813} is an apocalyptic number.

It is an amenable number.

1123356677813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123356677813 is an equidigital number, since it uses as much as digits as its factorization.

1123356677813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 53.

The spelling of 1123356677813 in words is "one trillion, one hundred twenty-three billion, three hundred fifty-six million, six hundred seventy-seven thousand, eight hundred thirteen".