16238143273343 has 16 divisors (see below), whose sum is σ = 16401622120704. Its totient is φ = 16074885550080.

The previous prime is 16238143273309. The next prime is 16238143273381. The reversal of 16238143273343 is 34337234183261.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16238143273343 - 2¹⁸ = 16238143011199 is a prime.

It is a super-2 number, since 2×16238143273343² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16238143273291 and 16238143273300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16238143203343) 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, 1715231696 + ... + 1715241162.

It is an arithmetic number, because the mean of its divisors is an integer number (1025101382544).

Almost surely, 2^{16238143273343} is an apocalyptic number.

16238143273343 is a deficient number, since it is larger than the sum of its proper divisors (163478847361).

16238143273343 is a wasteful number, since it uses less digits than its factorization.

16238143273343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19342.

The product of its digits is 5225472, while the sum is 50.

The spelling of 16238143273343 in words is "sixteen trillion, two hundred thirty-eight billion, one hundred forty-three million, two hundred seventy-three thousand, three hundred forty-three".