102512959823 has 2 divisors, whose sum is σ = 102512959824. Its totient is φ = 102512959822.

The previous prime is 102512959793. The next prime is 102512959847. The reversal of 102512959823 is 328959215201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102512959823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102512959123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51256479911 + 51256479912.

It is an arithmetic number, because the mean of its divisors is an integer number (51256479912).

Almost surely, 2^102512959823 is an apocalyptic number.

102512959823 is a deficient number, since it is larger than the sum of its proper divisors (1).

102512959823 is an equidigital number, since it uses as much as digits as its factorization.

102512959823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 102512959823 in words is "one hundred two billion, five hundred twelve million, nine hundred fifty-nine thousand, eight hundred twenty-three".