102320002321 has 2 divisors, whose sum is σ = 102320002322. Its totient is φ = 102320002320.

The previous prime is 102320002297. The next prime is 102320002357. The reversal of 102320002321 is 123200023201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96139684096 + 6180318225 = 310064^2 + 78615^2 .

It is an emirp because it is prime and its reverse (123200023201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102320002321 - 2⁷ = 102320002193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102320002295 and 102320002304.

It is not a weakly prime, because it can be changed into another prime (102320002361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160001160 + 51160001161.

It is an arithmetic number, because the mean of its divisors is an integer number (51160001161).

Almost surely, 2^102320002321 is an apocalyptic number.

It is an amenable number.

102320002321 is a deficient number, since it is larger than the sum of its proper divisors (1).

102320002321 is an equidigital number, since it uses as much as digits as its factorization.

102320002321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102320002321 its reverse (123200023201), we get a palindrome (225520025522).

The spelling of 102320002321 in words is "one hundred two billion, three hundred twenty million, two thousand, three hundred twenty-one".