43223011111 has 16 divisors (see below), whose sum is σ = 52749527040. Its totient is φ = 34616867040.

The previous prime is 43223011067. The next prime is 43223011121. The reversal of 43223011111 is 11111032234.

It is not a de Polignac number, because 43223011111 - 2⁷ = 43223010983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43223011121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3427921 + ... + 3440506.

It is an arithmetic number, because the mean of its divisors is an integer number (3296845440).

Almost surely, 2^43223011111 is an apocalyptic number.

43223011111 is a deficient number, since it is larger than the sum of its proper divisors (9526515929).

43223011111 is a wasteful number, since it uses less digits than its factorization.

43223011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6868494.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 43223011111 its reverse (11111032234), we get a palindrome (54334043345).

The spelling of 43223011111 in words is "forty-three billion, two hundred twenty-three million, eleven thousand, one hundred eleven".