43231221312434 has 8 divisors (see below), whose sum is σ = 64849400540928. Its totient is φ = 21614754465460.

The previous prime is 43231221312431. The next prime is 43231221312439. The reversal of 43231221312434 is 43421312213234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 43231221312394 and 43231221312403.

It is not an unprimeable number, because it can be changed into a prime (43231221312431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428032262 + ... + 428133249.

It is an arithmetic number, because the mean of its divisors is an integer number (8106175067616).

Almost surely, 2^{43231221312434} is an apocalyptic number.

43231221312434 is a deficient number, since it is larger than the sum of its proper divisors (21618179228494).

43231221312434 is a wasteful number, since it uses less digits than its factorization.

43231221312434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856190760.

The product of its digits is 82944, while the sum is 35.

Adding to 43231221312434 its reverse (43421312213234), we get a palindrome (86652533525668).

The spelling of 43231221312434 in words is "forty-three trillion, two hundred thirty-one billion, two hundred twenty-one million, three hundred twelve thousand, four hundred thirty-four".