43212404223 has 12 divisors (see below), whose sum is σ = 62666597448. Its totient is φ = 28693494000.

The previous prime is 43212404203. The next prime is 43212404251. The reversal of 43212404223 is 32240421234.

43212404223 is a `hidden beast` number, since 4 + 32 + 1 + 2 + 404 + 223 = 666.

It is not a de Polignac number, because 43212404223 - 2¹⁸ = 43212142079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43212404203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9562240 + ... + 9566757.

It is an arithmetic number, because the mean of its divisors is an integer number (5222216454).

Almost surely, 2^43212404223 is an apocalyptic number.

43212404223 is a deficient number, since it is larger than the sum of its proper divisors (19454193225).

43212404223 is a wasteful number, since it uses less digits than its factorization.

43212404223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19129254 (or 19129251 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43212404223 its reverse (32240421234), we get a palindrome (75452825457).

The spelling of 43212404223 in words is "forty-three billion, two hundred twelve million, four hundred four thousand, two hundred twenty-three".