43143251343 has 16 divisors (see below), whose sum is σ = 58964171616. Its totient is φ = 28043125760.

The previous prime is 43143251293. The next prime is 43143251357. The reversal of 43143251343 is 34315234134.

It is a cyclic number.

It is not a de Polignac number, because 43143251343 - 2⁶ = 43143251279 is a prime.

It is a super-2 number, since 2×43143251343² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143251363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89671 + ... + 307127.

It is an arithmetic number, because the mean of its divisors is an integer number (3685260726).

Almost surely, 2^43143251343 is an apocalyptic number.

43143251343 is a deficient number, since it is larger than the sum of its proper divisors (15820920273).

43143251343 is a wasteful number, since it uses less digits than its factorization.

43143251343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219114.

The product of its digits is 51840, while the sum is 33.

Adding to 43143251343 its reverse (34315234134), we get a palindrome (77458485477).

The spelling of 43143251343 in words is "forty-three billion, one hundred forty-three million, two hundred fifty-one thousand, three hundred forty-three".