4042400202023 has 4 divisors (see below), whose sum is σ = 4099335416208. Its totient is φ = 3985464987840.

The previous prime is 4042400202019. The next prime is 4042400202047. The reversal of 4042400202023 is 3202020042404.

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 4042400202023 - 2² = 4042400202019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4042400202023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042400202053) 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, 28467606986 + ... + 28467607127.

It is an arithmetic number, because the mean of its divisors is an integer number (1024833854052).

Almost surely, 2^{4042400202023} is an apocalyptic number.

4042400202023 is a deficient number, since it is larger than the sum of its proper divisors (56935214185).

4042400202023 is an equidigital number, since it uses as much as digits as its factorization.

4042400202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56935214184.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 4042400202023 its reverse (3202020042404), we get a palindrome (7244420244427).

The spelling of 4042400202023 in words is "four trillion, forty-two billion, four hundred million, two hundred two thousand, twenty-three".