203143012004422 has 32 divisors (see below), whose sum is σ = 349565541369408. Its totient is φ = 86731620950016.

The previous prime is 203143012004417. The next prime is 203143012004447. The reversal of 203143012004422 is 224400210341302.

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, 11948013 + ... + 23431624.

It is an arithmetic number, because the mean of its divisors is an integer number (10923923167794).

Almost surely, 2^{203143012004422} is an apocalyptic number.

203143012004422 is a deficient number, since it is larger than the sum of its proper divisors (146422529364986).

203143012004422 is a wasteful number, since it uses less digits than its factorization.

203143012004422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35381200.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 203143012004422 its reverse (224400210341302), we get a palindrome (427543222345724).

The spelling of 203143012004422 in words is "two hundred three trillion, one hundred forty-three billion, twelve million, four thousand, four hundred twenty-two".