223000043 has 4 divisors (see below), whose sum is σ = 254857200. Its totient is φ = 191142888.

The previous prime is 223000039. The next prime is 223000049. The reversal of 223000043 is 340000322.

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 223000043 - 2² = 223000039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222999991 and 223000027.

It is not an unprimeable number, because it can be changed into a prime (223000049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15928568 + ... + 15928581.

It is an arithmetic number, because the mean of its divisors is an integer number (63714300).

Almost surely, 2^223000043 is an apocalyptic number.

223000043 is a deficient number, since it is larger than the sum of its proper divisors (31857157).

223000043 is an equidigital number, since it uses as much as digits as its factorization.

223000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31857156.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 223000043 is about 14933.1859628145. The cubic root of 223000043 is about 606.4127384279.

Adding to 223000043 its reverse (340000322), we get a palindrome (563000365).

The spelling of 223000043 in words is "two hundred twenty-three million, forty-three", and thus it is an aban number.