323243842577723 has 2 divisors, whose sum is σ = 323243842577724. Its totient is φ = 323243842577722.

The previous prime is 323243842577683. The next prime is 323243842577743. The reversal of 323243842577723 is 327775248342323.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323243842577723 - 2¹⁸ = 323243842315579 is a prime.

It is not a weakly prime, because it can be changed into another prime (323243842577743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161621921288861 + 161621921288862.

It is an arithmetic number, because the mean of its divisors is an integer number (161621921288862).

Almost surely, 2^{323243842577723} is an apocalyptic number.

323243842577723 is a deficient number, since it is larger than the sum of its proper divisors (1).

323243842577723 is an equidigital number, since it uses as much as digits as its factorization.

323243842577723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 284497920, while the sum is 62.

The spelling of 323243842577723 in words is "three hundred twenty-three trillion, two hundred forty-three billion, eight hundred forty-two million, five hundred seventy-seven thousand, seven hundred twenty-three".