12443044123 has 8 divisors (see below), whose sum is σ = 12893839200. Its totient is φ = 11993697408.

The previous prime is 12443044111. The next prime is 12443044139. The reversal of 12443044123 is 32144034421.

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 12443044123 - 2²⁵ = 12409489691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12443044091 and 12443044100.

It is not an unprimeable number, because it can be changed into a prime (12443044423) 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, 344583 + ... + 378976.

It is an arithmetic number, because the mean of its divisors is an integer number (1611729900).

Almost surely, 2^12443044123 is an apocalyptic number.

12443044123 is a deficient number, since it is larger than the sum of its proper divisors (450795077).

12443044123 is an equidigital number, since it uses as much as digits as its factorization.

12443044123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724181.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12443044123 its reverse (32144034421), we get a palindrome (44587078544).

The spelling of 12443044123 in words is "twelve billion, four hundred forty-three million, forty-four thousand, one hundred twenty-three".