4020441423 has 16 divisors (see below), whose sum is σ = 5744841216. Its totient is φ = 2494467360.

The previous prime is 4020441409. The next prime is 4020441431. The reversal of 4020441423 is 3241440204.

It is a happy number.

It is not a de Polignac number, because 4020441423 - 2⁸ = 4020441167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4020441393 and 4020441402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020441443) 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, 784843 + ... + 789948.

It is an arithmetic number, because the mean of its divisors is an integer number (359052576).

Almost surely, 2^4020441423 is an apocalyptic number.

4020441423 is a deficient number, since it is larger than the sum of its proper divisors (1724399793).

4020441423 is a wasteful number, since it uses less digits than its factorization.

4020441423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574854.

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

The square root of 4020441423 is about 63406.9509044553. The cubic root of 4020441423 is about 1590.1005201273.

Adding to 4020441423 its reverse (3241440204), we get a palindrome (7261881627).

The spelling of 4020441423 in words is "four billion, twenty million, four hundred forty-one thousand, four hundred twenty-three".