4042401440123 has 4 divisors (see below), whose sum is σ = 4059315253920. Its totient is φ = 4025487626328.

The previous prime is 4042401440101. The next prime is 4042401440179. The reversal of 4042401440123 is 3210441042404.

4042401440123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4042401440123 - 2⁶ = 4042401440059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042401440183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8456906540 + ... + 8456907017.

It is an arithmetic number, because the mean of its divisors is an integer number (1014828813480).

Almost surely, 2^{4042401440123} is an apocalyptic number.

4042401440123 is a deficient number, since it is larger than the sum of its proper divisors (16913813797).

4042401440123 is a wasteful number, since it uses less digits than its factorization.

4042401440123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16913813796.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 4042401440123 its reverse (3210441042404), we get a palindrome (7252842482527).

The spelling of 4042401440123 in words is "four trillion, forty-two billion, four hundred one million, four hundred forty thousand, one hundred twenty-three".