323020043273 has 2 divisors, whose sum is σ = 323020043274. Its totient is φ = 323020043272.

The previous prime is 323020043239. The next prime is 323020043287. The reversal of 323020043273 is 372340020323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259532170249 + 63487873024 = 509443^2 + 251968^2 .

It is a cyclic number.

It is not a de Polignac number, because 323020043273 - 2³⁰ = 321946301449 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 (323020043873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161510021636 + 161510021637.

It is an arithmetic number, because the mean of its divisors is an integer number (161510021637).

Almost surely, 2^323020043273 is an apocalyptic number.

It is an amenable number.

323020043273 is a deficient number, since it is larger than the sum of its proper divisors (1).

323020043273 is an equidigital number, since it uses as much as digits as its factorization.

323020043273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 29.

Adding to 323020043273 its reverse (372340020323), we get a palindrome (695360063596).

The spelling of 323020043273 in words is "three hundred twenty-three billion, twenty million, forty-three thousand, two hundred seventy-three".