244143111124321 has 4 divisors (see below), whose sum is σ = 245218631437872. Its totient is φ = 243067590810772.

The previous prime is 244143111124307. The next prime is 244143111124337. The reversal of 244143111124321 is 123421111341442.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244143111124321 - 2³⁵ = 244108751385953 is a prime.

It is a super-2 number, since 2×244143111124321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244143111124361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537760156435 + ... + 537760156888.

It is an arithmetic number, because the mean of its divisors is an integer number (61304657859468).

Almost surely, 2^{244143111124321} is an apocalyptic number.

It is an amenable number.

244143111124321 is a deficient number, since it is larger than the sum of its proper divisors (1075520313551).

244143111124321 is a wasteful number, since it uses less digits than its factorization.

244143111124321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075520313550.

The product of its digits is 18432, while the sum is 34.

Adding to 244143111124321 its reverse (123421111341442), we get a palindrome (367564222465763).

The spelling of 244143111124321 in words is "two hundred forty-four trillion, one hundred forty-three billion, one hundred eleven million, one hundred twenty-four thousand, three hundred twenty-one".