102320329 has 2 divisors, whose sum is σ = 102320330. Its totient is φ = 102320328.

The previous prime is 102320327. The next prime is 102320341. The reversal of 102320329 is 923023201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101545929 + 774400 = 10077^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 102320329 - 2¹ = 102320327 is a prime.

Together with 102320327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102320321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160164 + 51160165.

It is an arithmetic number, because the mean of its divisors is an integer number (51160165).

Almost surely, 2^102320329 is an apocalyptic number.

It is an amenable number.

102320329 is a deficient number, since it is larger than the sum of its proper divisors (1).

102320329 is an equidigital number, since it uses as much as digits as its factorization.

102320329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 102320329 is about 10115.3511555457. The cubic root of 102320329 is about 467.7214736034.

The spelling of 102320329 in words is "one hundred two million, three hundred twenty thousand, three hundred twenty-nine".