43321450343 has 4 divisors (see below), whose sum is σ = 43329362640. Its totient is φ = 43313538048.

The previous prime is 43321450321. The next prime is 43321450349. The reversal of 43321450343 is 34305412334.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43321450343 - 2⁶ = 43321450279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43321450349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3947930 + ... + 3958887.

It is an arithmetic number, because the mean of its divisors is an integer number (10832340660).

Almost surely, 2^43321450343 is an apocalyptic number.

43321450343 is a deficient number, since it is larger than the sum of its proper divisors (7912297).

43321450343 is an equidigital number, since it uses as much as digits as its factorization.

43321450343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912296.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 43321450343 its reverse (34305412334), we get a palindrome (77626862677).

The spelling of 43321450343 in words is "forty-three billion, three hundred twenty-one million, four hundred fifty thousand, three hundred forty-three".