323020221000073 has 2 divisors, whose sum is σ = 323020221000074. Its totient is φ = 323020221000072.

The previous prime is 323020221000011. The next prime is 323020221000083. The reversal of 323020221000073 is 370000122020323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323019814453504 + 406546569 = 17972752^2 + 20163^2 .

It is a cyclic number.

It is not a de Polignac number, because 323020221000073 - 2⁹ = 323020220999561 is a prime.

It is not a weakly prime, because it can be changed into another prime (323020221000083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161510110500036 + 161510110500037.

It is an arithmetic number, because the mean of its divisors is an integer number (161510110500037).

Almost surely, 2^{323020221000073} is an apocalyptic number.

It is an amenable number.

323020221000073 is a deficient number, since it is larger than the sum of its proper divisors (1).

323020221000073 is an equidigital number, since it uses as much as digits as its factorization.

323020221000073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

Adding to 323020221000073 its reverse (370000122020323), we get a palindrome (693020343020396).

The spelling of 323020221000073 in words is "three hundred twenty-three trillion, twenty billion, two hundred twenty-one million, seventy-three", and thus it is an aban number.