223512243 has 8 divisors (see below), whose sum is σ = 315546768. Its totient is φ = 140242944.

The previous prime is 223512199. The next prime is 223512259. The reversal of 223512243 is 342215322.

223512243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223512243 - 2⁸ = 223511987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223512743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2191246 + ... + 2191347.

It is an arithmetic number, because the mean of its divisors is an integer number (39443346).

Almost surely, 2^223512243 is an apocalyptic number.

223512243 is a deficient number, since it is larger than the sum of its proper divisors (92034525).

223512243 is a wasteful number, since it uses less digits than its factorization.

223512243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382613.

The product of its digits is 2880, while the sum is 24.

The square root of 223512243 is about 14950.3258492917. The cubic root of 223512243 is about 606.8766652479.

Adding to 223512243 its reverse (342215322), we get a palindrome (565727565).

The spelling of 223512243 in words is "two hundred twenty-three million, five hundred twelve thousand, two hundred forty-three".