203442043422 has 32 divisors (see below), whose sum is σ = 431360999424. Its totient is φ = 63852775200.

The previous prime is 203442043367. The next prime is 203442043439. The reversal of 203442043422 is 224340244302.

It is a self number, because there is not a number n which added to its sum of digits gives 203442043422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14773854 + ... + 14787617.

It is an arithmetic number, because the mean of its divisors is an integer number (13480031232).

Almost surely, 2^203442043422 is an apocalyptic number.

203442043422 is an abundant number, since it is smaller than the sum of its proper divisors (227918956002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203442043422 is a wasteful number, since it uses less digits than its factorization.

203442043422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29561544.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 203442043422 its reverse (224340244302), we get a palindrome (427782287724).

The spelling of 203442043422 in words is "two hundred three billion, four hundred forty-two million, forty-three thousand, four hundred twenty-two".