4443121112123 has 8 divisors (see below), whose sum is σ = 4704499852128. Its totient is φ = 4181744447104.

The previous prime is 4443121112107. The next prime is 4443121112207. The reversal of 4443121112123 is 3212111213444.

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 4443121112123 - 2⁴ = 4443121112107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4443121112923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7020665 + ... + 7627317.

It is an arithmetic number, because the mean of its divisors is an integer number (588062481516).

Almost surely, 2^{4443121112123} is an apocalyptic number.

4443121112123 is a deficient number, since it is larger than the sum of its proper divisors (261378740005).

4443121112123 is a wasteful number, since it uses less digits than its factorization.

4443121112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037493.

The product of its digits is 4608, while the sum is 29.

Adding to 4443121112123 its reverse (3212111213444), we get a palindrome (7655232325567).

The spelling of 4443121112123 in words is "four trillion, four hundred forty-three billion, one hundred twenty-one million, one hundred twelve thousand, one hundred twenty-three".