203434441040143 has 8 divisors (see below), whose sum is σ = 204690523164336. Its totient is φ = 202178456697600.

The previous prime is 203434441040137. The next prime is 203434441040213. The reversal of 203434441040143 is 341040144434302.

It is a happy number.

203434441040143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203434441040143 - 2²⁹ = 203433904169231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203434441047143) 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, 20269378 + ... + 28595743.

It is an arithmetic number, because the mean of its divisors is an integer number (25586315395542).

Almost surely, 2^{203434441040143} is an apocalyptic number.

203434441040143 is a deficient number, since it is larger than the sum of its proper divisors (1256082124193).

203434441040143 is a wasteful number, since it uses less digits than its factorization.

203434441040143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48890825.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 203434441040143 its reverse (341040144434302), we get a palindrome (544474585474445).

The spelling of 203434441040143 in words is "two hundred three trillion, four hundred thirty-four billion, four hundred forty-one million, forty thousand, one hundred forty-three".