20043653044343 has 8 divisors (see below), whose sum is σ = 22015911811200. Its totient is φ = 18163127243448.

The previous prime is 20043653044237. The next prime is 20043653044361. The reversal of 20043653044343 is 34344035634002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20043653044343 - 2²² = 20043648850039 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 20043653044343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043653044543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22933241033 + ... + 22933241906.

It is an arithmetic number, because the mean of its divisors is an integer number (2751988976400).

Almost surely, 2^{20043653044343} is an apocalyptic number.

20043653044343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20043653044343 is a deficient number, since it is larger than the sum of its proper divisors (1972258766857).

20043653044343 is a wasteful number, since it uses less digits than its factorization.

20043653044343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45866482981.

The product of its (nonzero) digits is 1244160, while the sum is 41.

Adding to 20043653044343 its reverse (34344035634002), we get a palindrome (54387688678345).

The spelling of 20043653044343 in words is "twenty trillion, forty-three billion, six hundred fifty-three million, forty-four thousand, three hundred forty-three".