203542011412143 has 16 divisors (see below), whose sum is σ = 272370266502240. Its totient is φ = 135204219518976.

The previous prime is 203542011412133. The next prime is 203542011412147. The reversal of 203542011412143 is 341214110245302.

It is not a de Polignac number, because 203542011412143 - 2²⁶ = 203541944303279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203542011412147) 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, 286414071 + ... + 287123847.

It is an arithmetic number, because the mean of its divisors is an integer number (17023141656390).

Almost surely, 2^{203542011412143} is an apocalyptic number.

203542011412143 is a deficient number, since it is larger than the sum of its proper divisors (68828255090097).

203542011412143 is a wasteful number, since it uses less digits than its factorization.

203542011412143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055146.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 203542011412143 its reverse (341214110245302), we get a palindrome (544756121657445).

The spelling of 203542011412143 in words is "two hundred three trillion, five hundred forty-two billion, eleven million, four hundred twelve thousand, one hundred forty-three".