203422433042 has 8 divisors (see below), whose sum is σ = 310890888396. Its totient is φ = 99792136912.

The previous prime is 203422433023. The next prime is 203422433069. The reversal of 203422433042 is 240334224302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 187626719281 + 15795713761 = 433159^2 + 125681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 203422432996 and 203422433014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959539673 + ... + 959539884.

Almost surely, 2^203422433042 is an apocalyptic number.

203422433042 is a deficient number, since it is larger than the sum of its proper divisors (107468455354).

203422433042 is a wasteful number, since it uses less digits than its factorization.

203422433042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919079612.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 203422433042 its reverse (240334224302), we get a palindrome (443756657344).

The spelling of 203422433042 in words is "two hundred three billion, four hundred twenty-two million, four hundred thirty-three thousand, forty-two".