43044242323121 has 8 divisors (see below), whose sum is σ = 48795092512320. Its totient is φ = 37641928509072.

The previous prime is 43044242323097. The next prime is 43044242323141. The reversal of 43044242323121 is 12132324244034.

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 a de Polignac number, because none of the positive numbers 2^k-43044242323121 is a prime.

It is a super-2 number, since 2×43044242323121² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43044242323141) 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, 87134093525 + ... + 87134094018.

It is an arithmetic number, because the mean of its divisors is an integer number (6099386564040).

Almost surely, 2^{43044242323121} is an apocalyptic number.

It is an amenable number.

43044242323121 is a deficient number, since it is larger than the sum of its proper divisors (5750850189199).

43044242323121 is a wasteful number, since it uses less digits than its factorization.

43044242323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174268187575.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 43044242323121 its reverse (12132324244034), we get a palindrome (55176566567155).

The spelling of 43044242323121 in words is "forty-three trillion, forty-four billion, two hundred forty-two million, three hundred twenty-three thousand, one hundred twenty-one".