43431422210423 has 48 divisors (see below), whose sum is σ = 50222381704704. Its totient is φ = 37450392819840.

The previous prime is 43431422210417. The next prime is 43431422210441. The reversal of 43431422210423 is 32401222413434.

It is a happy number.

43431422210423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43431422210423 - 2⁸ = 43431422210167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43431422210723) 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 47 ways as a sum of consecutive naturals, for example, 1606712918 + ... + 1606739948.

It is an arithmetic number, because the mean of its divisors is an integer number (1046299618848).

Almost surely, 2^{43431422210423} is an apocalyptic number.

43431422210423 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

43431422210423 is a deficient number, since it is larger than the sum of its proper divisors (6790959494281).

43431422210423 is a wasteful number, since it uses less digits than its factorization.

43431422210423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36736 (or 36723 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 43431422210423 its reverse (32401222413434), we get a palindrome (75832644623857).

The spelling of 43431422210423 in words is "forty-three trillion, four hundred thirty-one billion, four hundred twenty-two million, two hundred ten thousand, four hundred twenty-three".