4021343123303 has 16 divisors (see below), whose sum is σ = 4725321725952. Its totient is φ = 3384019452000.

The previous prime is 4021343123267. The next prime is 4021343123327. The reversal of 4021343123303 is 3033213431204.

It is a de Polignac number, because none of the positive numbers 2^k-4021343123303 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 (4021343123393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256357268 + ... + 256372953.

It is an arithmetic number, because the mean of its divisors is an integer number (295332607872).

Almost surely, 2^{4021343123303} is an apocalyptic number.

4021343123303 is a deficient number, since it is larger than the sum of its proper divisors (703978602649).

4021343123303 is a wasteful number, since it uses less digits than its factorization.

4021343123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512730286.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 4021343123303 its reverse (3033213431204), we get a palindrome (7054556554507).

The spelling of 4021343123303 in words is "four trillion, twenty-one billion, three hundred forty-three million, one hundred twenty-three thousand, three hundred three".