43221312303 has 8 divisors (see below), whose sum is σ = 62061371568. Its totient is φ = 26597730624.

The previous prime is 43221312287. The next prime is 43221312317. The reversal of 43221312303 is 30321312234.

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

It is not a de Polignac number, because 43221312303 - 2⁴ = 43221312287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43221312203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554119350 + ... + 554119427.

It is an arithmetic number, because the mean of its divisors is an integer number (7757671446).

Almost surely, 2^43221312303 is an apocalyptic number.

43221312303 is a deficient number, since it is larger than the sum of its proper divisors (18840059265).

43221312303 is a wasteful number, since it uses less digits than its factorization.

43221312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108238793.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 43221312303 its reverse (30321312234), we get a palindrome (73542624537).

The spelling of 43221312303 in words is "forty-three billion, two hundred twenty-one million, three hundred twelve thousand, three hundred three".