12323144 has 16 divisors (see below), whose sum is σ = 23903100. Its totient is φ = 5948992.

The previous prime is 12323141. The next prime is 12323161. The reversal of 12323144 is 44132321.

It can be written as a sum of positive squares in 2 ways, for example, as 11303044 + 1020100 = 3362^2 + 1010^2 .

It is not an unprimeable number, because it can be changed into a prime (12323141) 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, 26327 + ... + 26790.

Almost surely, 2^12323144 is an apocalyptic number.

It is an amenable number.

12323144 is a deficient number, since it is larger than the sum of its proper divisors (11579956).

12323144 is a wasteful number, since it uses less digits than its factorization.

12323144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53152 (or 53148 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 12323144 is about 3510.4335914528. The cubic root of 12323144 is about 230.9797149907.

Adding to 12323144 its reverse (44132321), we get a palindrome (56455465).

The spelling of 12323144 in words is "twelve million, three hundred twenty-three thousand, one hundred forty-four".