12323123 has 4 divisors (see below), whose sum is σ = 12362808. Its totient is φ = 12283440.

The previous prime is 12323107. The next prime is 12323141. The reversal of 12323123 is 32132321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32132321 = 13 ⋅2471717.

It is a cyclic number.

It is not a de Polignac number, because 12323123 - 2⁴ = 12323107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320123) 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, 19373 + ... + 19998.

It is an arithmetic number, because the mean of its divisors is an integer number (3090702).

Almost surely, 2^12323123 is an apocalyptic number.

12323123 is a deficient number, since it is larger than the sum of its proper divisors (39685).

12323123 is an equidigital number, since it uses as much as digits as its factorization.

12323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39684.

The product of its digits is 216, while the sum is 17.

The square root of 12323123 is about 3510.4306003680. The cubic root of 12323123 is about 230.9795837856.

Adding to 12323123 its reverse (32132321), we get a palindrome (44455444).

The spelling of 12323123 in words is "twelve million, three hundred twenty-three thousand, one hundred twenty-three".