102303389 has 4 divisors (see below), whose sum is σ = 102667740. Its totient is φ = 101939040.

The previous prime is 102303371. The next prime is 102303413. The reversal of 102303389 is 983303201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24334489 + 77968900 = 4933^2 + 8830^2 .

It is a cyclic number.

It is not a de Polignac number, because 102303389 - 2⁸ = 102303133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102303359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181754 + ... + 182315.

It is an arithmetic number, because the mean of its divisors is an integer number (25666935).

Almost surely, 2^102303389 is an apocalyptic number.

It is an amenable number.

102303389 is a deficient number, since it is larger than the sum of its proper divisors (364351).

102303389 is an equidigital number, since it uses as much as digits as its factorization.

102303389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364350.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 102303389 is about 10114.5137797128. The cubic root of 102303389 is about 467.6956604240.

The spelling of 102303389 in words is "one hundred two million, three hundred three thousand, three hundred eighty-nine".