43431133255223 has 4 divisors (see below), whose sum is σ = 49635580863120. Its totient is φ = 37226685647328.

The previous prime is 43431133255219. The next prime is 43431133255231. The reversal of 43431133255223 is 32255233113434.

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 43431133255223 - 2² = 43431133255219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43431133255253) 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 3 ways as a sum of consecutive naturals, for example, 3102223803938 + ... + 3102223803951.

It is an arithmetic number, because the mean of its divisors is an integer number (12408895215780).

Almost surely, 2^{43431133255223} is an apocalyptic number.

43431133255223 is a deficient number, since it is larger than the sum of its proper divisors (6204447607897).

43431133255223 is an equidigital number, since it uses as much as digits as its factorization.

43431133255223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204447607896.

The product of its digits is 777600, while the sum is 41.

Adding to 43431133255223 its reverse (32255233113434), we get a palindrome (75686366368657).

The spelling of 43431133255223 in words is "forty-three trillion, four hundred thirty-one billion, one hundred thirty-three million, two hundred fifty-five thousand, two hundred twenty-three".