543065521223 has 12 divisors (see below), whose sum is σ = 569418954888. Its totient is φ = 517884462480.

The previous prime is 543065521217. The next prime is 543065521231. The reversal of 543065521223 is 322125560345.

It is not a de Polignac number, because 543065521223 - 2¹⁰ = 543065520199 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 (543065521123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1375640 + ... + 1725837.

It is an arithmetic number, because the mean of its divisors is an integer number (47451579574).

Almost surely, 2^543065521223 is an apocalyptic number.

543065521223 is a deficient number, since it is larger than the sum of its proper divisors (26353433665).

543065521223 is a wasteful number, since it uses less digits than its factorization.

543065521223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101854 (or 3101831 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 543065521223 in words is "five hundred forty-three billion, sixty-five million, five hundred twenty-one thousand, two hundred twenty-three".