243311552223 has 16 divisors (see below), whose sum is σ = 333706968672. Its totient is φ = 157594752000.

The previous prime is 243311552203. The next prime is 243311552251. The reversal of 243311552223 is 322255113342.

It is not a de Polignac number, because 243311552223 - 2¹⁰ = 243311551199 is a prime.

It is a super-2 number, since 2×243311552223² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243311552203) 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, 4074388 + ... + 4133673.

It is an arithmetic number, because the mean of its divisors is an integer number (20856685542).

Almost surely, 2^243311552223 is an apocalyptic number.

243311552223 is a deficient number, since it is larger than the sum of its proper divisors (90395416449).

243311552223 is a wasteful number, since it uses less digits than its factorization.

243311552223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8208346.

The product of its digits is 43200, while the sum is 33.

Adding to 243311552223 its reverse (322255113342), we get a palindrome (565566665565).

The spelling of 243311552223 in words is "two hundred forty-three billion, three hundred eleven million, five hundred fifty-two thousand, two hundred twenty-three".