102383109 has 20 divisors (see below), whose sum is σ = 156678060. Its totient is φ = 66588480.

The previous prime is 102383101. The next prime is 102383117. The reversal of 102383109 is 901383201.

It is an interprime number because it is at equal distance from previous prime (102383101) and next prime (102383117).

It can be written as a sum of positive squares in 2 ways, for example, as 44957025 + 57426084 = 6705^2 + 7578^2 .

It is not a de Polignac number, because 102383109 - 2³ = 102383101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102383101) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12094 + ... + 18735.

It is an arithmetic number, because the mean of its divisors is an integer number (7833903).

Almost surely, 2^102383109 is an apocalyptic number.

It is an amenable number.

102383109 is a deficient number, since it is larger than the sum of its proper divisors (54294951).

102383109 is an equidigital number, since it uses as much as digits as its factorization.

102383109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30882 (or 30873 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 102383109 is about 10118.4538838698. The cubic root of 102383109 is about 467.8171129581.

The spelling of 102383109 in words is "one hundred two million, three hundred eighty-three thousand, one hundred nine".