223344243 has 16 divisors (see below), whose sum is σ = 341555200. Its totient is φ = 144092520.

The previous prime is 223344239. The next prime is 223344263. The reversal of 223344243 is 342443322.

223344243 is a `hidden beast` number, since 2 + 233 + 4 + 424 + 3 = 666.

It is not a de Polignac number, because 223344243 - 2² = 223344239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223344223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132583 + ... + 134256.

It is an arithmetic number, because the mean of its divisors is an integer number (21347200).

Almost surely, 2^223344243 is an apocalyptic number.

223344243 is a deficient number, since it is larger than the sum of its proper divisors (118210957).

223344243 is a wasteful number, since it uses less digits than its factorization.

223344243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266879 (or 266873 counting only the distinct ones).

The product of its digits is 13824, while the sum is 27.

The square root of 223344243 is about 14944.7061864729. The cubic root of 223344243 is about 606.7245768828.

Adding to 223344243 its reverse (342443322), we get a palindrome (565787565).

The spelling of 223344243 in words is "two hundred twenty-three million, three hundred forty-four thousand, two hundred forty-three".