323000203121243 has 2 divisors, whose sum is σ = 323000203121244. Its totient is φ = 323000203121242.

The previous prime is 323000203121207. The next prime is 323000203121249. The reversal of 323000203121243 is 342121302000323.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (342121302000323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323000203121243 - 2⁶ = 323000203121179 is a prime.

It is not a weakly prime, because it can be changed into another prime (323000203121249) 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, 161500101560621 + 161500101560622.

It is an arithmetic number, because the mean of its divisors is an integer number (161500101560622).

Almost surely, 2^{323000203121243} is an apocalyptic number.

323000203121243 is a deficient number, since it is larger than the sum of its proper divisors (1).

323000203121243 is an equidigital number, since it uses as much as digits as its factorization.

323000203121243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 323000203121243 its reverse (342121302000323), we get a palindrome (665121505121566).

The spelling of 323000203121243 in words is "three hundred twenty-three trillion, two hundred three million, one hundred twenty-one thousand, two hundred forty-three".