12443343411 has 4 divisors (see below), whose sum is σ = 16591124552. Its totient is φ = 8295562272.

The previous prime is 12443343401. The next prime is 12443343433. The reversal of 12443343411 is 11434334421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11434334421 = 3 ⋅3811444807.

It is not a de Polignac number, because 12443343411 - 2²³ = 12434954803 is a prime.

It is a super-2 number, since 2×12443343411² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12443343401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073890566 + ... + 2073890571.

It is an arithmetic number, because the mean of its divisors is an integer number (4147781138).

Almost surely, 2^12443343411 is an apocalyptic number.

12443343411 is a deficient number, since it is larger than the sum of its proper divisors (4147781141).

12443343411 is an equidigital number, since it uses as much as digits as its factorization.

12443343411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147781140.

The product of its digits is 13824, while the sum is 30.

Adding to 12443343411 its reverse (11434334421), we get a palindrome (23877677832).

The spelling of 12443343411 in words is "twelve billion, four hundred forty-three million, three hundred forty-three thousand, four hundred eleven".