43143034423 has 2 divisors, whose sum is σ = 43143034424. Its totient is φ = 43143034422.

The previous prime is 43143034421. The next prime is 43143034433. The reversal of 43143034423 is 32443034134.

43143034423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43143034423 - 2¹ = 43143034421 is a prime.

It is a super-2 number, since 2×43143034423² (a number of 22 digits) contains 22 as substring.

Together with 43143034421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43143034421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21571517211 + 21571517212.

It is an arithmetic number, because the mean of its divisors is an integer number (21571517212).

Almost surely, 2^43143034423 is an apocalyptic number.

43143034423 is a deficient number, since it is larger than the sum of its proper divisors (1).

43143034423 is an equidigital number, since it uses as much as digits as its factorization.

43143034423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 43143034423 its reverse (32443034134), we get a palindrome (75586068557).

The spelling of 43143034423 in words is "forty-three billion, one hundred forty-three million, thirty-four thousand, four hundred twenty-three".