43423320311 has 16 divisors (see below), whose sum is σ = 49808457024. Its totient is φ = 37083757824.

The previous prime is 43423320289. The next prime is 43423320313. The reversal of 43423320311 is 11302332434.

It is a cyclic number.

It is not a de Polignac number, because 43423320311 - 2⁶ = 43423320247 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 (43423320313) 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, 6016541 + ... + 6023753.

It is an arithmetic number, because the mean of its divisors is an integer number (3113028564).

Almost surely, 2^43423320311 is an apocalyptic number.

43423320311 is a deficient number, since it is larger than the sum of its proper divisors (6385136713).

43423320311 is a wasteful number, since it uses less digits than its factorization.

43423320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 43423320311 its reverse (11302332434), we get a palindrome (54725652745).

The spelling of 43423320311 in words is "forty-three billion, four hundred twenty-three million, three hundred twenty thousand, three hundred eleven".