12310203 has 4 divisors (see below), whose sum is σ = 16413608. Its totient is φ = 8206800.

The previous prime is 12310187. The next prime is 12310219. The reversal of 12310203 is 30201321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30201321 = 3 ⋅10067107.

It is an interprime number because it is at equal distance from previous prime (12310187) and next prime (12310219).

It is not a de Polignac number, because 12310203 - 2⁴ = 12310187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12310223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051698 + ... + 2051703.

It is an arithmetic number, because the mean of its divisors is an integer number (4103402).

Almost surely, 2^12310203 is an apocalyptic number.

12310203 is a deficient number, since it is larger than the sum of its proper divisors (4103405).

12310203 is an equidigital number, since it uses as much as digits as its factorization.

12310203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103404.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12310203 is about 3508.5898876899. The cubic root of 12310203 is about 230.8988331576.

Adding to 12310203 its reverse (30201321), we get a palindrome (42511524).

The spelling of 12310203 in words is "twelve million, three hundred ten thousand, two hundred three".