203143203000422 has 32 divisors (see below), whose sum is σ = 321797546496000. Its totient is φ = 95912515987488.

The previous prime is 203143203000421. The next prime is 203143203000433. The reversal of 203143203000422 is 224000302341302.

It is a super-3 number, since 3×203143203000422³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203143203000391 and 203143203000400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203143203000421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18038693 + ... + 27049599.

It is an arithmetic number, because the mean of its divisors is an integer number (10056173328000).

Almost surely, 2^{203143203000422} is an apocalyptic number.

203143203000422 is a deficient number, since it is larger than the sum of its proper divisors (118654343495578).

203143203000422 is a wasteful number, since it uses less digits than its factorization.

203143203000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9012860.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 203143203000422 its reverse (224000302341302), we get a palindrome (427143505341724).

The spelling of 203143203000422 in words is "two hundred three trillion, one hundred forty-three billion, two hundred three million, four hundred twenty-two", and thus it is an aban number.