12331543 has 8 divisors (see below), whose sum is σ = 14124960. Its totient is φ = 10546080.

The previous prime is 12331541. The next prime is 12331591. The reversal of 12331543 is 34513321.

12331543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12331543 - 2¹ = 12331541 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331541) 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, 1833 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (1765620).

Almost surely, 2^12331543 is an apocalyptic number.

12331543 is a deficient number, since it is larger than the sum of its proper divisors (1793417).

12331543 is an equidigital number, since it uses as much as digits as its factorization.

12331543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977.

The product of its digits is 1080, while the sum is 22.

The square root of 12331543 is about 3511.6296786535. The cubic root of 12331543 is about 231.0321788221.

Adding to 12331543 its reverse (34513321), we get a palindrome (46844864).

The spelling of 12331543 in words is "twelve million, three hundred thirty-one thousand, five hundred forty-three".