201320322473 has 2 divisors, whose sum is σ = 201320322474. Its totient is φ = 201320322472.

The previous prime is 201320322457. The next prime is 201320322517. The reversal of 201320322473 is 374223023102.

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., 159382197529 + 41938124944 = 399227^2 + 204788^2 .

It is a cyclic number.

It is not a de Polignac number, because 201320322473 - 2⁴ = 201320322457 is a prime.

It is not a weakly prime, because it can be changed into another prime (201320322433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100660161236 + 100660161237.

It is an arithmetic number, because the mean of its divisors is an integer number (100660161237).

Almost surely, 2^201320322473 is an apocalyptic number.

It is an amenable number.

201320322473 is a deficient number, since it is larger than the sum of its proper divisors (1).

201320322473 is an equidigital number, since it uses as much as digits as its factorization.

201320322473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 29.

Adding to 201320322473 its reverse (374223023102), we get a palindrome (575543345575).

The spelling of 201320322473 in words is "two hundred one billion, three hundred twenty million, three hundred twenty-two thousand, four hundred seventy-three".