12012323 has 4 divisors (see below), whose sum is σ = 12019680. Its totient is φ = 12004968.

The previous prime is 12012289. The next prime is 12012331. The reversal of 12012323 is 32321021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32321021 = 2063 ⋅15667.

It is a cyclic number.

It is not a de Polignac number, because 12012323 - 2¹⁶ = 11946787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012298 and 12012307.

It is not an unprimeable number, because it can be changed into a prime (12011323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (3004920).

Almost surely, 2^12012323 is an apocalyptic number.

12012323 is a deficient number, since it is larger than the sum of its proper divisors (7357).

12012323 is an equidigital number, since it uses as much as digits as its factorization.

12012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12012323 is about 3465.8798305769. The cubic root of 12012323 is about 229.0211901090.

Adding to 12012323 its reverse (32321021), we get a palindrome (44333344).

The spelling of 12012323 in words is "twelve million, twelve thousand, three hundred twenty-three".