203422042234 has 4 divisors (see below), whose sum is σ = 305133063354. Its totient is φ = 101711021116.

The previous prime is 203422042217. The next prime is 203422042297. The reversal of 203422042234 is 432240224302.

It is a happy number.

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., 174554333209 + 28867709025 = 417797^2 + 169905^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50855510557 + ... + 50855510560.

Almost surely, 2^203422042234 is an apocalyptic number.

203422042234 is a deficient number, since it is larger than the sum of its proper divisors (101711021120).

203422042234 is a wasteful number, since it uses less digits than its factorization.

203422042234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101711021119.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 203422042234 its reverse (432240224302), we get a palindrome (635662266536).

The spelling of 203422042234 in words is "two hundred three billion, four hundred twenty-two million, forty-two thousand, two hundred thirty-four".