203402341143 has 12 divisors (see below), whose sum is σ = 294973916328. Its totient is φ = 135061314000.

The previous prime is 203402341123. The next prime is 203402341187. The reversal of 203402341143 is 341143204302.

203402341143 is a `hidden beast` number, since 203 + 4 + 0 + 2 + 3 + 411 + 43 = 666.

It is not a de Polignac number, because 203402341143 - 2⁵ = 203402341111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203402341123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45018180 + ... + 45022697.

It is an arithmetic number, because the mean of its divisors is an integer number (24581159694).

Almost surely, 2^203402341143 is an apocalyptic number.

203402341143 is a deficient number, since it is larger than the sum of its proper divisors (91571575185).

203402341143 is a wasteful number, since it uses less digits than its factorization.

203402341143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90041134 (or 90041131 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 203402341143 its reverse (341143204302), we get a palindrome (544545545445).

The spelling of 203402341143 in words is "two hundred three billion, four hundred two million, three hundred forty-one thousand, one hundred forty-three".