12323040 has 48 divisors (see below), whose sum is σ = 38819088. Its totient is φ = 3286016.

The previous prime is 12323021. The next prime is 12323041. The reversal of 12323040 is 4032321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12357 + ... + 13316.

It is an arithmetic number, because the mean of its divisors is an integer number (808731).

Almost surely, 2^12323040 is an apocalyptic number.

12323040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323040 is an abundant number, since it is smaller than the sum of its proper divisors (26496048).

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

12323040 is a wasteful number, since it uses less digits than its factorization.

12323040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25691 (or 25683 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 12323040 is about 3510.4187784366. The cubic root of 12323040 is about 230.9790652117.

Adding to 12323040 its reverse (4032321), we get a palindrome (16355361).

The spelling of 12323040 in words is "twelve million, three hundred twenty-three thousand, forty".