43221101343 has 16 divisors (see below), whose sum is σ = 65906731776. Its totient is φ = 24680520000.

The previous prime is 43221101321. The next prime is 43221101369. The reversal of 43221101343 is 34310112234.

It is a happy number.

It is not a de Polignac number, because 43221101343 - 2¹² = 43221097247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43221201343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688033 + ... + 748218.

It is an arithmetic number, because the mean of its divisors is an integer number (4119170736).

Almost surely, 2^43221101343 is an apocalyptic number.

43221101343 is a deficient number, since it is larger than the sum of its proper divisors (22685630433).

43221101343 is a wasteful number, since it uses less digits than its factorization.

43221101343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437694.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 43221101343 its reverse (34310112234), we get a palindrome (77531213577).

The spelling of 43221101343 in words is "forty-three billion, two hundred twenty-one million, one hundred one thousand, three hundred forty-three".