43323321011 has 4 divisors (see below), whose sum is σ = 43353180024. Its totient is φ = 43293462000.

The previous prime is 43323320993. The next prime is 43323321059. The reversal of 43323321011 is 11012332334.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43323321011 - 2¹⁴ = 43323304627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43323321071) 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 3 ways as a sum of consecutive naturals, for example, 14927330 + ... + 14930231.

It is an arithmetic number, because the mean of its divisors is an integer number (10838295006).

Almost surely, 2^43323321011 is an apocalyptic number.

43323321011 is a deficient number, since it is larger than the sum of its proper divisors (29859013).

43323321011 is a wasteful number, since it uses less digits than its factorization.

43323321011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29859012.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 43323321011 its reverse (11012332334), we get a palindrome (54335653345).

The spelling of 43323321011 in words is "forty-three billion, three hundred twenty-three million, three hundred twenty-one thousand, eleven".