12123303 has 4 divisors (see below), whose sum is σ = 16164408. Its totient is φ = 8082200.

The previous prime is 12123299. The next prime is 12123317. The reversal of 12123303 is 30332121.

12123303 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30332121 = 3 ⋅10110707.

It is a cyclic number.

It is not a de Polignac number, because 12123303 - 2² = 12123299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123373) 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, 2020548 + ... + 2020553.

It is an arithmetic number, because the mean of its divisors is an integer number (4041102).

Almost surely, 2^12123303 is an apocalyptic number.

12123303 is a deficient number, since it is larger than the sum of its proper divisors (4041105).

12123303 is an equidigital number, since it uses as much as digits as its factorization.

12123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041104.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 12123303 is about 3481.8533857703. The cubic root of 12123303 is about 229.7243262994.

Adding to 12123303 its reverse (30332121), we get a palindrome (42455424).

The spelling of 12123303 in words is "twelve million, one hundred twenty-three thousand, three hundred three".