43412233421 has 4 divisors (see below), whose sum is σ = 43417158144. Its totient is φ = 43407308700.

The previous prime is 43412233411. The next prime is 43412233451. The reversal of 43412233421 is 12433221434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43412233421 - 2⁶ = 43412233357 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 (43412233411) 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, 2449115 + ... + 2466776.

It is an arithmetic number, because the mean of its divisors is an integer number (10854289536).

Almost surely, 2^43412233421 is an apocalyptic number.

It is an amenable number.

43412233421 is a deficient number, since it is larger than the sum of its proper divisors (4924723).

43412233421 is an equidigital number, since it uses as much as digits as its factorization.

43412233421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924722.

The product of its digits is 13824, while the sum is 29.

Adding to 43412233421 its reverse (12433221434), we get a palindrome (55845454855).

The spelling of 43412233421 in words is "forty-three billion, four hundred twelve million, two hundred thirty-three thousand, four hundred twenty-one".