223042943 has 2 divisors, whose sum is σ = 223042944. Its totient is φ = 223042942.

The previous prime is 223042889. The next prime is 223042961. The reversal of 223042943 is 349240322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223042943 - 2¹⁰ = 223041919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223045943) 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 as a sum of consecutive naturals, namely, 111521471 + 111521472.

It is an arithmetic number, because the mean of its divisors is an integer number (111521472).

Almost surely, 2^223042943 is an apocalyptic number.

223042943 is a deficient number, since it is larger than the sum of its proper divisors (1).

223042943 is an equidigital number, since it uses as much as digits as its factorization.

223042943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 223042943 is about 14934.6222918425. The cubic root of 223042943 is about 606.4516224838.

The spelling of 223042943 in words is "two hundred twenty-three million, forty-two thousand, nine hundred forty-three".