4043400423 has 16 divisors (see below), whose sum is σ = 5453153280. Its totient is φ = 2664731456.

The previous prime is 4043400421. The next prime is 4043400503. The reversal of 4043400423 is 3240043404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4043400423 - 2¹ = 4043400421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4043400393 and 4043400402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043400421) 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, 140611 + ... + 166907.

It is an arithmetic number, because the mean of its divisors is an integer number (340822080).

Almost surely, 2^4043400423 is an apocalyptic number.

4043400423 is a deficient number, since it is larger than the sum of its proper divisors (1409752857).

4043400423 is a wasteful number, since it uses less digits than its factorization.

4043400423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26886.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 4043400423 is about 63587.7379924778. The cubic root of 4043400423 is about 1593.1215686080.

Adding to 4043400423 its reverse (3240043404), we get a palindrome (7283443827).

The spelling of 4043400423 in words is "four billion, forty-three million, four hundred thousand, four hundred twenty-three".