102328972309 has 2 divisors, whose sum is σ = 102328972310. Its totient is φ = 102328972308.

The previous prime is 102328972267. The next prime is 102328972367. The reversal of 102328972309 is 903279823201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101971648900 + 357323409 = 319330^2 + 18903^2 .

It is a cyclic number.

It is not a de Polignac number, because 102328972309 - 2¹³ = 102328964117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102328972379) 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, 51164486154 + 51164486155.

It is an arithmetic number, because the mean of its divisors is an integer number (51164486155).

Almost surely, 2^102328972309 is an apocalyptic number.

It is an amenable number.

102328972309 is a deficient number, since it is larger than the sum of its proper divisors (1).

102328972309 is an equidigital number, since it uses as much as digits as its factorization.

102328972309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 102328972309 in words is "one hundred two billion, three hundred twenty-eight million, nine hundred seventy-two thousand, three hundred nine".