43212343343 has 4 divisors (see below), whose sum is σ = 46536369768. Its totient is φ = 39888316920.

The previous prime is 43212343337. The next prime is 43212343379. The reversal of 43212343343 is 34334321234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34334321234 = 2 ⋅17167160617.

It is a cyclic number.

It is not a de Polignac number, because 43212343343 - 2¹⁰ = 43212342319 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 (43212343043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662013193 + ... + 1662013218.

It is an arithmetic number, because the mean of its divisors is an integer number (11634092442).

Almost surely, 2^43212343343 is an apocalyptic number.

43212343343 is a deficient number, since it is larger than the sum of its proper divisors (3324026425).

43212343343 is a wasteful number, since it uses less digits than its factorization.

43212343343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324026424.

The product of its digits is 62208, while the sum is 32.

Adding to 43212343343 its reverse (34334321234), we get a palindrome (77546664577).

The spelling of 43212343343 in words is "forty-three billion, two hundred twelve million, three hundred forty-three thousand, three hundred forty-three".