43221053312343 has 64 divisors (see below), whose sum is σ = 68700089088000. Its totient is φ = 26771885382528.

The previous prime is 43221053312341. The next prime is 43221053312413. The reversal of 43221053312343 is 34321335012234.

43221053312343 is a `hidden beast` number, since 4 + 322 + 10 + 5 + 3 + 312 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 43221053312343 - 2¹ = 43221053312341 is a prime.

It is a super-2 number, since 2×43221053312343² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43221053312298 and 43221053312307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43221053312341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68829073 + ... + 69454181.

It is an arithmetic number, because the mean of its divisors is an integer number (1073438892000).

Almost surely, 2^{43221053312343} is an apocalyptic number.

43221053312343 is a deficient number, since it is larger than the sum of its proper divisors (25479035775657).

43221053312343 is a wasteful number, since it uses less digits than its factorization.

43221053312343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627733 (or 627727 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 43221053312343 its reverse (34321335012234), we get a palindrome (77542388324577).

The spelling of 43221053312343 in words is "forty-three trillion, two hundred twenty-one billion, fifty-three million, three hundred twelve thousand, three hundred forty-three".