223240243 has 8 divisors (see below), whose sum is σ = 238668768. Its totient is φ = 208066944.

The previous prime is 223240229. The next prime is 223240249. The reversal of 223240243 is 342042322.

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

It is not a de Polignac number, because 223240243 - 2⁵ = 223240211 is a prime.

It is a super-3 number, since 3×223240243³ (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 (223240249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61996 + ... + 65497.

It is an arithmetic number, because the mean of its divisors is an integer number (29833596).

Almost surely, 2^223240243 is an apocalyptic number.

223240243 is a deficient number, since it is larger than the sum of its proper divisors (15428525).

223240243 is a wasteful number, since it uses less digits than its factorization.

223240243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127613.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 223240243 is about 14941.2262883607. The cubic root of 223240243 is about 606.6303887188.

Adding to 223240243 its reverse (342042322), we get a palindrome (565282565).

The spelling of 223240243 in words is "two hundred twenty-three million, two hundred forty thousand, two hundred forty-three".