12126323 has 4 divisors (see below), whose sum is σ = 13228728. Its totient is φ = 11023920.

The previous prime is 12126319. The next prime is 12126349. The reversal of 12126323 is 32362121.

It is a happy number.

12126323 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: 32362121 = 11 ⋅2942011.

It is a cyclic number.

It is not a de Polignac number, because 12126323 - 2² = 12126319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12126295 and 12126304.

It is not an unprimeable number, because it can be changed into a prime (12126353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551186 + ... + 551207.

It is an arithmetic number, because the mean of its divisors is an integer number (3307182).

Almost surely, 2^12126323 is an apocalyptic number.

12126323 is a deficient number, since it is larger than the sum of its proper divisors (1102405).

12126323 is a wasteful number, since it uses less digits than its factorization.

12126323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102404.

The product of its digits is 432, while the sum is 20.

The square root of 12126323 is about 3482.2870358430. The cubic root of 12126323 is about 229.7434000306.

Adding to 12126323 its reverse (32362121), we get a palindrome (44488444).

The spelling of 12126323 in words is "twelve million, one hundred twenty-six thousand, three hundred twenty-three".