12303203 has 24 divisors (see below), whose sum is σ = 14857920. Its totient is φ = 10069920.

The previous prime is 12303197. The next prime is 12303209. The reversal of 12303203 is 30230321.

It is an interprime number because it is at equal distance from previous prime (12303197) and next prime (12303209).

It is not a de Polignac number, because 12303203 - 2⁶ = 12303139 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12303209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286100 + ... + 286142.

It is an arithmetic number, because the mean of its divisors is an integer number (619080).

Almost surely, 2^12303203 is an apocalyptic number.

12303203 is a deficient number, since it is larger than the sum of its proper divisors (2554717).

12303203 is a wasteful number, since it uses less digits than its factorization.

12303203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 12303203 is about 3507.5921940841. The cubic root of 12303203 is about 230.8550592169.

Adding to 12303203 its reverse (30230321), we get a palindrome (42533524).

The spelling of 12303203 in words is "twelve million, three hundred three thousand, two hundred three".