12323544 has 16 divisors (see below), whose sum is σ = 30808920. Its totient is φ = 4107840.

The previous prime is 12323537. The next prime is 12323551. The reversal of 12323544 is 44532321.

It is an interprime number because it is at equal distance from previous prime (12323537) and next prime (12323551).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 513481 = 12323544 / (1 + 2 + 3 + 2 + 3 + 5 + 4 + 4).

It is a congruent number.

It is an unprimeable number.

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, 256717 + ... + 256764.

Almost surely, 2^12323544 is an apocalyptic number.

It is an amenable number.

12323544 is an abundant number, since it is smaller than the sum of its proper divisors (18485376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323544 is a wasteful number, since it uses less digits than its factorization.

12323544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513490 (or 513486 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 12323544 is about 3510.4905640095. The cubic root of 12323544 is about 230.9822141063.

Adding to 12323544 its reverse (44532321), we get a palindrome (56855865).

The spelling of 12323544 in words is "twelve million, three hundred twenty-three thousand, five hundred forty-four".