1123030342739 has 2 divisors, whose sum is σ = 1123030342740. Its totient is φ = 1123030342738.

The previous prime is 1123030342711. The next prime is 1123030342789. The reversal of 1123030342739 is 9372430303211.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9372430303211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123030342739 - 2³⁶ = 1054310866003 is a prime.

It is a super-2 number, since 2×1123030342739² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123030342789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561515171369 + 561515171370.

It is an arithmetic number, because the mean of its divisors is an integer number (561515171370).

Almost surely, 2^{1123030342739} is an apocalyptic number.

1123030342739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123030342739 is an equidigital number, since it uses as much as digits as its factorization.

1123030342739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 1123030342739 in words is "one trillion, one hundred twenty-three billion, thirty million, three hundred forty-two thousand, seven hundred thirty-nine".