4000230543 has 64 divisors (see below), whose sum is σ = 5938652160. Its totient is φ = 2384640000.

The previous prime is 4000230523. The next prime is 4000230551. The reversal of 4000230543 is 3450320004.

It is a happy number.

It is not a de Polignac number, because 4000230543 - 2⁸ = 4000230287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000230523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26491518 + ... + 26491668.

It is an arithmetic number, because the mean of its divisors is an integer number (92791440).

Almost surely, 2^4000230543 is an apocalyptic number.

4000230543 is a deficient number, since it is larger than the sum of its proper divisors (1938421617).

4000230543 is a wasteful number, since it uses less digits than its factorization.

4000230543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 4000230543 is about 63247.3757795531. The cubic root of 4000230543 is about 1587.4315483990.

Adding to 4000230543 its reverse (3450320004), we get a palindrome (7450550547).

The spelling of 4000230543 in words is "four billion, two hundred thirty thousand, five hundred forty-three".