321230223113 has 2 divisors, whose sum is σ = 321230223114. Its totient is φ = 321230223112.

The previous prime is 321230223043. The next prime is 321230223133. The reversal of 321230223113 is 311322032123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281618078329 + 39612144784 = 530677^2 + 199028^2 .

It is a cyclic number.

It is not a de Polignac number, because 321230223113 - 2¹⁴ = 321230206729 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 (321230223133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160615111556 + 160615111557.

It is an arithmetic number, because the mean of its divisors is an integer number (160615111557).

Almost surely, 2^321230223113 is an apocalyptic number.

It is an amenable number.

321230223113 is a deficient number, since it is larger than the sum of its proper divisors (1).

321230223113 is an equidigital number, since it uses as much as digits as its factorization.

321230223113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 321230223113 its reverse (311322032123), we get a palindrome (632552255236).

The spelling of 321230223113 in words is "three hundred twenty-one billion, two hundred thirty million, two hundred twenty-three thousand, one hundred thirteen".