203140434143 has 8 divisors (see below), whose sum is σ = 213836188800. Its totient is φ = 192445094808.

The previous prime is 203140434139. The next prime is 203140434163. The reversal of 203140434143 is 341434041302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203140434143 - 2² = 203140434139 is a prime.

It is a super-3 number, since 3×203140434143³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203140434163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1738598 + ... + 1851756.

It is an arithmetic number, because the mean of its divisors is an integer number (26729523600).

Almost surely, 2^203140434143 is an apocalyptic number.

203140434143 is a deficient number, since it is larger than the sum of its proper divisors (10695754657).

203140434143 is a wasteful number, since it uses less digits than its factorization.

203140434143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207661.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 203140434143 its reverse (341434041302), we get a palindrome (544574475445).

The spelling of 203140434143 in words is "two hundred three billion, one hundred forty million, four hundred thirty-four thousand, one hundred forty-three".