4043203221123 has 16 divisors (see below), whose sum is σ = 6534469852800. Its totient is φ = 2450426194440.

The previous prime is 4043203221119. The next prime is 4043203221133. The reversal of 4043203221123 is 3211223023404.

4043203221123 is a `hidden beast` number, since 4 + 0 + 4 + 320 + 322 + 1 + 12 + 3 = 666.

4043203221123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4043203221123 - 2² = 4043203221119 is a prime.

It is a super-2 number, since 2×4043203221123² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4043203221133) 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, 6806739133 + ... + 6806739726.

It is an arithmetic number, because the mean of its divisors is an integer number (408404365800).

Almost surely, 2^{4043203221123} is an apocalyptic number.

4043203221123 is a deficient number, since it is larger than the sum of its proper divisors (2491266631677).

4043203221123 is a wasteful number, since it uses less digits than its factorization.

4043203221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13613478879 (or 13613478873 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4043203221123 its reverse (3211223023404), we get a palindrome (7254426244527).

The spelling of 4043203221123 in words is "four trillion, forty-three billion, two hundred three million, two hundred twenty-one thousand, one hundred twenty-three".