223424042 has 4 divisors (see below), whose sum is σ = 335136066. Its totient is φ = 111712020.

The previous prime is 223424039. The next prime is 223424083. The reversal of 223424042 is 240424322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 167159041 + 56265001 = 12929^2 + 7501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223423999 and 223424017.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 55856009 + ... + 55856012.

Almost surely, 2^223424042 is an apocalyptic number.

223424042 is a deficient number, since it is larger than the sum of its proper divisors (111712024).

223424042 is a wasteful number, since it uses less digits than its factorization.

223424042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111712023.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 223424042 is about 14947.3757562992. The cubic root of 223424042 is about 606.7968274571.

Adding to 223424042 its reverse (240424322), we get a palindrome (463848364).

The spelling of 223424042 in words is "two hundred twenty-three million, four hundred twenty-four thousand, forty-two".