543521223 has 12 divisors (see below), whose sum is σ = 897241488. Its totient is φ = 310583520.

The previous prime is 543521221. The next prime is 543521243. The reversal of 543521223 is 322125345.

It is a happy number.

543521223 is a `hidden beast` number, since 5 + 435 + 2 + 1 + 223 = 666.

543521223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 543521223 - 2¹ = 543521221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543521221) 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, 4313598 + ... + 4313723.

It is an arithmetic number, because the mean of its divisors is an integer number (74770124).

Almost surely, 2^543521223 is an apocalyptic number.

543521223 is a deficient number, since it is larger than the sum of its proper divisors (353720265).

543521223 is a wasteful number, since it uses less digits than its factorization.

543521223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8627334 (or 8627331 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 543521223 is about 23313.5416228423. The cubic root of 543521223 is about 816.0914644807.

Adding to 543521223 its reverse (322125345), we get a palindrome (865646568).

The spelling of 543521223 in words is "five hundred forty-three million, five hundred twenty-one thousand, two hundred twenty-three".