102320187679 has 2 divisors, whose sum is σ = 102320187680. Its totient is φ = 102320187678.

The previous prime is 102320187677. The next prime is 102320187689. The reversal of 102320187679 is 976781023201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102320187679 - 2¹ = 102320187677 is a prime.

Together with 102320187677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102320187677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160093839 + 51160093840.

It is an arithmetic number, because the mean of its divisors is an integer number (51160093840).

Almost surely, 2^102320187679 is an apocalyptic number.

102320187679 is a deficient number, since it is larger than the sum of its proper divisors (1).

102320187679 is an equidigital number, since it uses as much as digits as its factorization.

102320187679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 102320187679 in words is "one hundred two billion, three hundred twenty million, one hundred eighty-seven thousand, six hundred seventy-nine".