43323234132421 has 16 divisors (see below), whose sum is σ = 45950654514688. Its totient is φ = 40780773734400.

The previous prime is 43323234132379. The next prime is 43323234132469. The reversal of 43323234132421 is 12423143232334.

It is a cyclic number.

It is not a de Polignac number, because 43323234132421 - 2²¹ = 43323232035269 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 (43323234132721) 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, 67107276 + ... + 67749781.

It is an arithmetic number, because the mean of its divisors is an integer number (2871915907168).

Almost surely, 2^{43323234132421} is an apocalyptic number.

It is an amenable number.

43323234132421 is a deficient number, since it is larger than the sum of its proper divisors (2627420382267).

43323234132421 is a wasteful number, since it uses less digits than its factorization.

43323234132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134857372.

The product of its digits is 248832, while the sum is 37.

Adding to 43323234132421 its reverse (12423143232334), we get a palindrome (55746377364755).

The spelling of 43323234132421 in words is "forty-three trillion, three hundred twenty-three billion, two hundred thirty-four million, one hundred thirty-two thousand, four hundred twenty-one".