203142143000000 has 196 divisors, whose sum is σ = 507091114619400. Its totient is φ = 80739235200000.

The previous prime is 203142142999981. The next prime is 203142143000033. The reversal of 203142143000000 is 341241302.

203142143000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 156353051 + ... + 157646949.

Almost surely, 2^{203142143000000} is an apocalyptic number.

203142143000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203142143000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253545557309700).

203142143000000 is an abundant number, since it is smaller than the sum of its proper divisors (303948971619400).

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

203142143000000 is an frugal number, since it uses more digits than its factorization.

203142143000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294098 (or 1294063 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 203142143000000 its reverse (341241302), we get a palindrome (203142484241302).

The spelling of 203142143000000 in words is "two hundred three trillion, one hundred forty-two billion, one hundred forty-three million", and thus it is an aban number.