1123043113039 has 2 divisors, whose sum is σ = 1123043113040. Its totient is φ = 1123043113038.

The previous prime is 1123043113019. The next prime is 1123043113061. The reversal of 1123043113039 is 9303113403211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123043113039 - 2³⁷ = 985604159567 is a prime.

It is a super-2 number, since 2×1123043113039² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123043113039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123043113019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561521556519 + 561521556520.

It is an arithmetic number, because the mean of its divisors is an integer number (561521556520).

Almost surely, 2^{1123043113039} is an apocalyptic number.

1123043113039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123043113039 is an equidigital number, since it uses as much as digits as its factorization.

1123043113039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 1123043113039 in words is "one trillion, one hundred twenty-three billion, forty-three million, one hundred thirteen thousand, thirty-nine".