43343421123231 has 32 divisors (see below), whose sum is σ = 65369685427200. Its totient is φ = 28379417713920.

The previous prime is 43343421123193. The next prime is 43343421123251. The reversal of 43343421123231 is 13232112434334.

43343421123231 is a `hidden beast` number, since 4 + 3 + 3 + 434 + 211 + 2 + 3 + 2 + 3 + 1 = 666.

It is not a de Polignac number, because 43343421123231 - 2³⁰ = 43342347381407 is a prime.

It is a super-2 number, since 2×43343421123231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43343421123251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62823351 + ... + 63509528.

It is an arithmetic number, because the mean of its divisors is an integer number (2042802669600).

Almost surely, 2^{43343421123231} is an apocalyptic number.

43343421123231 is a deficient number, since it is larger than the sum of its proper divisors (22026264303969).

43343421123231 is a wasteful number, since it uses less digits than its factorization.

43343421123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126333116 (or 126333110 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

Adding to 43343421123231 its reverse (13232112434334), we get a palindrome (56575533557565).

The spelling of 43343421123231 in words is "forty-three trillion, three hundred forty-three billion, four hundred twenty-one million, one hundred twenty-three thousand, two hundred thirty-one".