223126243 has 8 divisors (see below), whose sum is σ = 239120928. Its totient is φ = 207656064.

The previous prime is 223126219. The next prime is 223126247. The reversal of 223126243 is 342621322.

223126243 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223126243 is a prime.

It is a super-3 number, since 3×223126243³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223126247) 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, 130246 + ... + 131947.

It is an arithmetic number, because the mean of its divisors is an integer number (29890116).

Almost surely, 2^223126243 is an apocalyptic number.

223126243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

223126243 is a deficient number, since it is larger than the sum of its proper divisors (15994685).

223126243 is a wasteful number, since it uses less digits than its factorization.

223126243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262253.

The product of its digits is 3456, while the sum is 25.

The square root of 223126243 is about 14937.4108532905. The cubic root of 223126243 is about 606.5271103874.

Adding to 223126243 its reverse (342621322), we get a palindrome (565747565).

The spelling of 223126243 in words is "two hundred twenty-three million, one hundred twenty-six thousand, two hundred forty-three".