43231213235 has 16 divisors (see below), whose sum is σ = 60734584512. Its totient is φ = 28921228800.

The previous prime is 43231213229. The next prime is 43231213243. The reversal of 43231213235 is 53231213234.

It is a happy number.

It is not a de Polignac number, because 43231213235 - 2⁴ = 43231213219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43231213198 and 43231213207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15061706 + ... + 15064575.

It is an arithmetic number, because the mean of its divisors is an integer number (3795911532).

Almost surely, 2^43231213235 is an apocalyptic number.

43231213235 is a deficient number, since it is larger than the sum of its proper divisors (17503371277).

43231213235 is a wasteful number, since it uses less digits than its factorization.

43231213235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30126334.

The product of its digits is 12960, while the sum is 29.

Adding to 43231213235 its reverse (53231213234), we get a palindrome (96462426469).

Subtracting 43231213235 from its reverse (53231213234), we obtain a palindrome (9999999999).

The spelling of 43231213235 in words is "forty-three billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred thirty-five".