4042401320023 has 16 divisors (see below), whose sum is σ = 4463040041856. Its totient is φ = 3630804711840.

The previous prime is 4042401319993. The next prime is 4042401320063. The reversal of 4042401320023 is 3200231042404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4042401320023 - 2²¹ = 4042399222871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4042401320023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042401320063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4164861 + ... + 5042902.

It is an arithmetic number, because the mean of its divisors is an integer number (278940002616).

Almost surely, 2^{4042401320023} is an apocalyptic number.

4042401320023 is a deficient number, since it is larger than the sum of its proper divisors (420638721833).

4042401320023 is a wasteful number, since it uses less digits than its factorization.

4042401320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9208254.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 4042401320023 its reverse (3200231042404), we get a palindrome (7242632362427).

The spelling of 4042401320023 in words is "four trillion, forty-two billion, four hundred one million, three hundred twenty thousand, twenty-three".