543423111653 has 16 divisors (see below), whose sum is σ = 579564896256. Its totient is φ = 508439519280.

The previous prime is 543423111643. The next prime is 543423111659. The reversal of 543423111653 is 356111324345.

It is a cyclic number.

It is not a de Polignac number, because 543423111653 - 2²⁰ = 543422063077 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 (543423111659) 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, 1102751 + ... + 1517532.

It is an arithmetic number, because the mean of its divisors is an integer number (36222806016).

Almost surely, 2^543423111653 is an apocalyptic number.

It is an amenable number.

543423111653 is a deficient number, since it is larger than the sum of its proper divisors (36141784603).

543423111653 is a wasteful number, since it uses less digits than its factorization.

543423111653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620504.

The product of its digits is 129600, while the sum is 38.

Adding to 543423111653 its reverse (356111324345), we get a palindrome (899534435998).

The spelling of 543423111653 in words is "five hundred forty-three billion, four hundred twenty-three million, one hundred eleven thousand, six hundred fifty-three".