43223350121 has 16 divisors (see below), whose sum is σ = 51161193600. Its totient is φ = 35729261568.

The previous prime is 43223350039. The next prime is 43223350123. The reversal of 43223350121 is 12105332234.

It is a happy number.

It is not a de Polignac number, because 43223350121 - 2¹⁰ = 43223349097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43223350123) 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 15 ways as a sum of consecutive naturals, for example, 50441 + ... + 298313.

It is an arithmetic number, because the mean of its divisors is an integer number (3197574600).

Almost surely, 2^43223350121 is an apocalyptic number.

It is an amenable number.

43223350121 is a deficient number, since it is larger than the sum of its proper divisors (7937843479).

43223350121 is a wasteful number, since it uses less digits than its factorization.

43223350121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248768.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 43223350121 its reverse (12105332234), we get a palindrome (55328682355).

The spelling of 43223350121 in words is "forty-three billion, two hundred twenty-three million, three hundred fifty thousand, one hundred twenty-one".