12231443 has 8 divisors (see below), whose sum is σ = 14023680. Its totient is φ = 10450440.

The previous prime is 12231433. The next prime is 12231463. The reversal of 12231443 is 34413221.

12231443 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 not a de Polignac number, because 12231443 - 2¹⁰ = 12230419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12231413) 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, 323 + ... + 4956.

It is an arithmetic number, because the mean of its divisors is an integer number (1752960).

Almost surely, 2^12231443 is an apocalyptic number.

12231443 is a deficient number, since it is larger than the sum of its proper divisors (1792237).

12231443 is an equidigital number, since it uses as much as digits as its factorization.

12231443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617.

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

The square root of 12231443 is about 3497.3479952673. The cubic root of 12231443 is about 230.4053532365.

Adding to 12231443 its reverse (34413221), we get a palindrome (46644664).

The spelling of 12231443 in words is "twelve million, two hundred thirty-one thousand, four hundred forty-three".