233221323004042 has 4 divisors (see below), whose sum is σ = 349831984506066. Its totient is φ = 116610661502020.

The previous prime is 233221323003989. The next prime is 233221323004057. The reversal of 233221323004042 is 240400323122332.

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., 184230156605881 + 48991166398161 = 13573141^2 + 6999369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 233221323003995 and 233221323004013.

It is an unprimeable number.

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, 58305330751009 + ... + 58305330751012.

Almost surely, 2^{233221323004042} is an apocalyptic number.

233221323004042 is a deficient number, since it is larger than the sum of its proper divisors (116610661502024).

233221323004042 is a wasteful number, since it uses less digits than its factorization.

233221323004042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116610661502023.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 233221323004042 its reverse (240400323122332), we get a palindrome (473621646126374).

The spelling of 233221323004042 in words is "two hundred thirty-three trillion, two hundred twenty-one billion, three hundred twenty-three million, four thousand, forty-two".