102331309123 has 2 divisors, whose sum is σ = 102331309124. Its totient is φ = 102331309122.

The previous prime is 102331309121. The next prime is 102331309189. The reversal of 102331309123 is 321903133201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102331309123 - 2¹ = 102331309121 is a prime.

Together with 102331309121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 102331309091 and 102331309100.

It is not a weakly prime, because it can be changed into another prime (102331309121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51165654561 + 51165654562.

It is an arithmetic number, because the mean of its divisors is an integer number (51165654562).

Almost surely, 2^102331309123 is an apocalyptic number.

102331309123 is a deficient number, since it is larger than the sum of its proper divisors (1).

102331309123 is an equidigital number, since it uses as much as digits as its factorization.

102331309123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 102331309123 in words is "one hundred two billion, three hundred thirty-one million, three hundred nine thousand, one hundred twenty-three".