2403321303 has 8 divisors (see below), whose sum is σ = 3224839408. Its totient is φ = 1592008704.

The previous prime is 2403321293. The next prime is 2403321311. The reversal of 2403321303 is 3031233042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2403321303 - 2⁴ = 2403321287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2403321303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403321703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550826 + ... + 2551767.

It is an arithmetic number, because the mean of its divisors is an integer number (403104926).

Almost surely, 2^2403321303 is an apocalyptic number.

2403321303 is a deficient number, since it is larger than the sum of its proper divisors (821518105).

2403321303 is a wasteful number, since it uses less digits than its factorization.

2403321303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102753.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2403321303 is about 49023.6810429409. The cubic root of 2403321303 is about 1339.4832237258.

Adding to 2403321303 its reverse (3031233042), we get a palindrome (5434554345).

The spelling of 2403321303 in words is "two billion, four hundred three million, three hundred twenty-one thousand, three hundred three".