2305320403 has 4 divisors (see below), whose sum is σ = 2384814240. Its totient is φ = 2225826568.

The previous prime is 2305320361. The next prime is 2305320427. The reversal of 2305320403 is 3040235032.

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

It is a cyclic number.

It is not a de Polignac number, because 2305320403 - 2¹⁷ = 2305189331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2305320443) 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, 39746875 + ... + 39746932.

It is an arithmetic number, because the mean of its divisors is an integer number (596203560).

Almost surely, 2^2305320403 is an apocalyptic number.

2305320403 is a deficient number, since it is larger than the sum of its proper divisors (79493837).

2305320403 is an equidigital number, since it uses as much as digits as its factorization.

2305320403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79493836.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 2305320403 is about 48013.7522278774. The cubic root of 2305320403 is about 1321.0231589352.

Adding to 2305320403 its reverse (3040235032), we get a palindrome (5345555435).

The spelling of 2305320403 in words is "two billion, three hundred five million, three hundred twenty thousand, four hundred three".