1243342032323 has 2 divisors, whose sum is σ = 1243342032324. Its totient is φ = 1243342032322.

The previous prime is 1243342032311. The next prime is 1243342032329. The reversal of 1243342032323 is 3232302433421.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3232302433421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1243342032323 - 2⁸ = 1243342032067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1243342032323.

It is not a weakly prime, because it can be changed into another prime (1243342032329) 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, 621671016161 + 621671016162.

It is an arithmetic number, because the mean of its divisors is an integer number (621671016162).

Almost surely, 2^{1243342032323} is an apocalyptic number.

1243342032323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243342032323 is an equidigital number, since it uses as much as digits as its factorization.

1243342032323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 1243342032323 its reverse (3232302433421), we get a palindrome (4475644465744).

The spelling of 1243342032323 in words is "one trillion, two hundred forty-three billion, three hundred forty-two million, thirty-two thousand, three hundred twenty-three".