1183456239473 has 2 divisors, whose sum is σ = 1183456239474. Its totient is φ = 1183456239472.

The previous prime is 1183456239457. The next prime is 1183456239491. The reversal of 1183456239473 is 3749326543811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831466775104 + 351989464369 = 911848^2 + 593287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1183456239473 - 2⁴ = 1183456239457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1183456239673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591728119736 + 591728119737.

It is an arithmetic number, because the mean of its divisors is an integer number (591728119737).

Almost surely, 2^{1183456239473} is an apocalyptic number.

It is an amenable number.

1183456239473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1183456239473 is an equidigital number, since it uses as much as digits as its factorization.

1183456239473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 56.

The spelling of 1183456239473 in words is "one trillion, one hundred eighty-three billion, four hundred fifty-six million, two hundred thirty-nine thousand, four hundred seventy-three".