223541211012543 has 12 divisors (see below), whose sum is σ = 339887221422840. Its totient is φ = 141183922744656.

The previous prime is 223541211012533. The next prime is 223541211012551. The reversal of 223541211012543 is 345210112145322.

223541211012543 is a `hidden beast` number, since 2 + 2 + 3 + 5 + 4 + 1 + 2 + 1 + 101 + 2 + 543 = 666.

It is not a de Polignac number, because 223541211012543 - 2⁶ = 223541211012479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223541211012498 and 223541211012507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223541211012533) 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, 653629271796 + ... + 653629272137.

It is an arithmetic number, because the mean of its divisors is an integer number (28323935118570).

Almost surely, 2^{223541211012543} is an apocalyptic number.

223541211012543 is a deficient number, since it is larger than the sum of its proper divisors (116346010410297).

223541211012543 is a wasteful number, since it uses less digits than its factorization.

223541211012543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307258543958 (or 1307258543955 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 223541211012543 its reverse (345210112145322), we get a palindrome (568751323157865).

The spelling of 223541211012543 in words is "two hundred twenty-three trillion, five hundred forty-one billion, two hundred eleven million, twelve thousand, five hundred forty-three".