223042443 has 16 divisors (see below), whose sum is σ = 320570880. Its totient is φ = 137126304.

The previous prime is 223042433. The next prime is 223042447. The reversal of 223042443 is 344240322.

It is a de Polignac number, because none of the positive numbers 2^k-223042443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223042447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53488 + ... + 57506.

It is an arithmetic number, because the mean of its divisors is an integer number (20035680).

Almost surely, 2^223042443 is an apocalyptic number.

223042443 is a deficient number, since it is larger than the sum of its proper divisors (97528437).

223042443 is a wasteful number, since it uses less digits than its factorization.

223042443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 223042443 is about 14934.6055522066. The cubic root of 223042443 is about 606.4511693184.

Adding to 223042443 its reverse (344240322), we get a palindrome (567282765).

The spelling of 223042443 in words is "two hundred twenty-three million, forty-two thousand, four hundred forty-three".