223440066243543 has 16 divisors (see below), whose sum is σ = 310442780198880. Its totient is φ = 142773684404736.

The previous prime is 223440066243539. The next prime is 223440066243551. The reversal of 223440066243543 is 345342660044322.

It is not a de Polignac number, because 223440066243543 - 2² = 223440066243539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223440066243492 and 223440066243501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223440066243523) 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, 9373260430 + ... + 9373284267.

It is an arithmetic number, because the mean of its divisors is an integer number (19402673762430).

Almost surely, 2^{223440066243543} is an apocalyptic number.

223440066243543 is a deficient number, since it is larger than the sum of its proper divisors (87002713955337).

223440066243543 is a wasteful number, since it uses less digits than its factorization.

223440066243543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18746544866.

The product of its (nonzero) digits is 9953280, while the sum is 48.

The spelling of 223440066243543 in words is "two hundred twenty-three trillion, four hundred forty billion, sixty-six million, two hundred forty-three thousand, five hundred forty-three".