223243243 has 4 divisors (see below), whose sum is σ = 223789480. Its totient is φ = 222697008.

The previous prime is 223243231. The next prime is 223243259. The reversal of 223243243 is 342342322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223243243 - 2⁵ = 223243211 is a prime.

It is a super-3 number, since 3×223243243³ (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 (223243043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272505 + ... + 273322.

It is an arithmetic number, because the mean of its divisors is an integer number (55947370).

Almost surely, 2^223243243 is an apocalyptic number.

223243243 is a deficient number, since it is larger than the sum of its proper divisors (546237).

223243243 is an equidigital number, since it uses as much as digits as its factorization.

223243243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546236.

The product of its digits is 6912, while the sum is 25.

The square root of 223243243 is about 14941.3266813894. The cubic root of 223243243 is about 606.6331060947.

Adding to 223243243 its reverse (342342322), we get a palindrome (565585565).

The spelling of 223243243 in words is "two hundred twenty-three million, two hundred forty-three thousand, two hundred forty-three".