12424231443 has 16 divisors (see below), whose sum is σ = 18322084256. Its totient is φ = 7439040000.

The previous prime is 12424231439. The next prime is 12424231447. The reversal of 12424231443 is 34413242421.

It is an interprime number because it is at equal distance from previous prime (12424231439) and next prime (12424231447).

It is not a de Polignac number, because 12424231443 - 2² = 12424231439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12424231443.

It is not an unprimeable number, because it can be changed into a prime (12424231447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4303558 + ... + 4306443.

It is an arithmetic number, because the mean of its divisors is an integer number (1145130266).

Almost surely, 2^12424231443 is an apocalyptic number.

12424231443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12424231443 is a deficient number, since it is larger than the sum of its proper divisors (5897852813).

12424231443 is a wasteful number, since it uses less digits than its factorization.

12424231443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8610054.

The product of its digits is 18432, while the sum is 30.

Adding to 12424231443 its reverse (34413242421), we get a palindrome (46837473864).

The spelling of 12424231443 in words is "twelve billion, four hundred twenty-four million, two hundred thirty-one thousand, four hundred forty-three".