23143434341443 has 4 divisors (see below), whose sum is σ = 24923698521568. Its totient is φ = 21363170161320.

The previous prime is 23143434341429. The next prime is 23143434341477. The reversal of 23143434341443 is 34414343434132.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-23143434341443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23143434341443.

It is not an unprimeable number, because it can be changed into a prime (23143434341743) 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 3 ways as a sum of consecutive naturals, for example, 890132090043 + ... + 890132090068.

It is an arithmetic number, because the mean of its divisors is an integer number (6230924630392).

Almost surely, 2^{23143434341443} is an apocalyptic number.

23143434341443 is a deficient number, since it is larger than the sum of its proper divisors (1780264180125).

23143434341443 is a wasteful number, since it uses less digits than its factorization.

23143434341443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780264180124.

The product of its digits is 1990656, while the sum is 43.

Adding to 23143434341443 its reverse (34414343434132), we get a palindrome (57557777775575).

The spelling of 23143434341443 in words is "twenty-three trillion, one hundred forty-three billion, four hundred thirty-four million, three hundred forty-one thousand, four hundred forty-three".