102309023 has 2 divisors, whose sum is σ = 102309024. Its totient is φ = 102309022.

The previous prime is 102309019. The next prime is 102309059. The reversal of 102309023 is 320903201.

It is a weak prime.

It is an emirp because it is prime and its reverse (320903201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102309023 - 2² = 102309019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102308986 and 102309004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102309073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51154511 + 51154512.

It is an arithmetic number, because the mean of its divisors is an integer number (51154512).

Almost surely, 2^102309023 is an apocalyptic number.

102309023 is a deficient number, since it is larger than the sum of its proper divisors (1).

102309023 is an equidigital number, since it uses as much as digits as its factorization.

102309023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 102309023 is about 10114.7922865475. The cubic root of 102309023 is about 467.7042458319.

The spelling of 102309023 in words is "one hundred two million, three hundred nine thousand, twenty-three".