1123173810739 has 2 divisors, whose sum is σ = 1123173810740. Its totient is φ = 1123173810738.

The previous prime is 1123173810701. The next prime is 1123173810751. The reversal of 1123173810739 is 9370183713211.

It is a strong prime.

It is an emirp because it is prime and its reverse (9370183713211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123173810739 is a prime.

It is a super-2 number, since 2×1123173810739² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123173810779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561586905369 + 561586905370.

It is an arithmetic number, because the mean of its divisors is an integer number (561586905370).

Almost surely, 2^{1123173810739} is an apocalyptic number.

1123173810739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123173810739 is an equidigital number, since it uses as much as digits as its factorization.

1123173810739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 1123173810739 in words is "one trillion, one hundred twenty-three billion, one hundred seventy-three million, eight hundred ten thousand, seven hundred thirty-nine".