203104143 has 24 divisors (see below), whose sum is σ = 320785920. Its totient is φ = 122807760.

The previous prime is 203104133. The next prime is 203104147. The reversal of 203104143 is 341401302.

It is not a de Polignac number, because 203104143 - 2⁴ = 203104127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203104147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45280 + ... + 49562.

It is an arithmetic number, because the mean of its divisors is an integer number (13366080).

Almost surely, 2^203104143 is an apocalyptic number.

203104143 is a deficient number, since it is larger than the sum of its proper divisors (117681777).

203104143 is a wasteful number, since it uses less digits than its factorization.

203104143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779 (or 4776 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 203104143 is about 14251.4610829908. The cubic root of 203104143 is about 587.8135515338.

Adding to 203104143 its reverse (341401302), we get a palindrome (544505445).

The spelling of 203104143 in words is "two hundred three million, one hundred four thousand, one hundred forty-three".