321420234201233 has 2 divisors, whose sum is σ = 321420234201234. Its totient is φ = 321420234201232.

The previous prime is 321420234201191. The next prime is 321420234201263. The reversal of 321420234201233 is 332102432024123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230598438379024 + 90821795822209 = 15185468^2 + 9530047^2 .

It is a cyclic number.

It is not a de Polignac number, because 321420234201233 - 2⁸ = 321420234200977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321420234201233.

It is not a weakly prime, because it can be changed into another prime (321420234201263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160710117100616 + 160710117100617.

It is an arithmetic number, because the mean of its divisors is an integer number (160710117100617).

Almost surely, 2^{321420234201233} is an apocalyptic number.

It is an amenable number.

321420234201233 is a deficient number, since it is larger than the sum of its proper divisors (1).

321420234201233 is an equidigital number, since it uses as much as digits as its factorization.

321420234201233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 321420234201233 its reverse (332102432024123), we get a palindrome (653522666225356).

The spelling of 321420234201233 in words is "three hundred twenty-one trillion, four hundred twenty billion, two hundred thirty-four million, two hundred one thousand, two hundred thirty-three".