4144020423 has 12 divisors (see below), whose sum is σ = 5776040760. Its totient is φ = 2642562736.

The previous prime is 4144020407. The next prime is 4144020427. The reversal of 4144020423 is 3240204414.

It is a happy number.

It is not a de Polignac number, because 4144020423 - 2⁴ = 4144020407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4144020393 and 4144020402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144020427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1304028 + ... + 1307201.

It is an arithmetic number, because the mean of its divisors is an integer number (481336730).

Almost surely, 2^4144020423 is an apocalyptic number.

4144020423 is a deficient number, since it is larger than the sum of its proper divisors (1632020337).

4144020423 is a wasteful number, since it uses less digits than its factorization.

4144020423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611278 (or 2611255 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4144020423 is about 64374.0663854630. The cubic root of 4144020423 is about 1606.2283823179.

Adding to 4144020423 its reverse (3240204414), we get a palindrome (7384224837).

The spelling of 4144020423 in words is "four billion, one hundred forty-four million, twenty thousand, four hundred twenty-three".