2303963 has 8 divisors (see below), whose sum is σ = 2430000. Its totient is φ = 2181088.

The previous prime is 2303947. The next prime is 2303971. The reversal of 2303963 is 3693032.

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

It is a cyclic number.

It is not a de Polignac number, because 2303963 - 2⁴ = 2303947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2303923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (303750).

2^2303963 is an apocalyptic number.

2303963 is a deficient number, since it is larger than the sum of its proper divisors (126037).

2303963 is a wasteful number, since it uses less digits than its factorization.

2303963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 2303963 is about 1517.8810888867. The cubic root of 2303963 is about 132.0763829421.

Adding to 2303963 its reverse (3693032), we get a palindrome (5996995).

The spelling of 2303963 in words is "two million, three hundred three thousand, nine hundred sixty-three".