4021344200423 has 4 divisors (see below), whose sum is σ = 4386920945928. Its totient is φ = 3655767454920.

The previous prime is 4021344200411. The next prime is 4021344200449. The reversal of 4021344200423 is 3240024431204.

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 4021344200423 - 2⁶ = 4021344200359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021344200473) 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 3 ways as a sum of consecutive naturals, for example, 182788372736 + ... + 182788372757.

It is an arithmetic number, because the mean of its divisors is an integer number (1096730236482).

Almost surely, 2^{4021344200423} is an apocalyptic number.

4021344200423 is a deficient number, since it is larger than the sum of its proper divisors (365576745505).

4021344200423 is a wasteful number, since it uses less digits than its factorization.

4021344200423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365576745504.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 4021344200423 its reverse (3240024431204), we get a palindrome (7261368631627).

The spelling of 4021344200423 in words is "four trillion, twenty-one billion, three hundred forty-four million, two hundred thousand, four hundred twenty-three".