4223203444042 has 12 divisors (see below), whose sum is σ = 6963050306898. Its totient is φ = 1919637929000.

The previous prime is 4223203444021. The next prime is 4223203444067. The reversal of 4223203444042 is 2404443023224.

It can be written as a sum of positive squares in only one way, i.e., 3277834209441 + 945369234601 = 1810479^2 + 972301^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4223203443989 and 4223203444007.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8725626709 + ... + 8725627192.

Almost surely, 2^{4223203444042} is an apocalyptic number.

4223203444042 is a deficient number, since it is larger than the sum of its proper divisors (2739846862856).

4223203444042 is a wasteful number, since it uses less digits than its factorization.

4223203444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17451253925 (or 17451253914 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 4223203444042 its reverse (2404443023224), we get a palindrome (6627646467266).

The spelling of 4223203444042 in words is "four trillion, two hundred twenty-three billion, two hundred three million, four hundred forty-four thousand, forty-two".