43344123121 has 8 divisors (see below), whose sum is σ = 46808314560. Its totient is φ = 39898507152.

The previous prime is 43344123077. The next prime is 43344123149. The reversal of 43344123121 is 12132144334.

It is a happy number.

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 43344123121 - 2¹⁷ = 43343992049 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 43344123121.

It is not an unprimeable number, because it can be changed into a prime (43344123161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4639015 + ... + 4648348.

It is an arithmetic number, because the mean of its divisors is an integer number (5851039320).

Almost surely, 2^43344123121 is an apocalyptic number.

It is an amenable number.

43344123121 is a deficient number, since it is larger than the sum of its proper divisors (3464191439).

43344123121 is a wasteful number, since it uses less digits than its factorization.

43344123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9287735.

The product of its digits is 6912, while the sum is 28.

Adding to 43344123121 its reverse (12132144334), we get a palindrome (55476267455).

The spelling of 43344123121 in words is "forty-three billion, three hundred forty-four million, one hundred twenty-three thousand, one hundred twenty-one".