323213013200173 has 2 divisors, whose sum is σ = 323213013200174. Its totient is φ = 323213013200172.

The previous prime is 323213013200171. The next prime is 323213013200179. The reversal of 323213013200173 is 371002310312323.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229910898072969 + 93302115127204 = 15162813^2 + 9659302^2 .

It is a cyclic number.

It is not a de Polignac number, because 323213013200173 - 2¹ = 323213013200171 is a prime.

Together with 323213013200171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323213013200171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606506600086 + 161606506600087.

It is an arithmetic number, because the mean of its divisors is an integer number (161606506600087).

Almost surely, 2^{323213013200173} is an apocalyptic number.

It is an amenable number.

323213013200173 is a deficient number, since it is larger than the sum of its proper divisors (1).

323213013200173 is an equidigital number, since it uses as much as digits as its factorization.

323213013200173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 31.

Adding to 323213013200173 its reverse (371002310312323), we get a palindrome (694215323512496).

The spelling of 323213013200173 in words is "three hundred twenty-three trillion, two hundred thirteen billion, thirteen million, two hundred thousand, one hundred seventy-three".