203424421143 has 8 divisors (see below), whose sum is σ = 271474091008. Its totient is φ = 135495516024.

The previous prime is 203424421133. The next prime is 203424421153. The reversal of 203424421143 is 341124424302.

It is an interprime number because it is at equal distance from previous prime (203424421133) and next prime (203424421153).

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

It is not a de Polignac number, because 203424421143 - 2¹⁰ = 203424420119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203424421143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203424421133) 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, 30187255 + ... + 30193992.

It is an arithmetic number, because the mean of its divisors is an integer number (33934261376).

Almost surely, 2^203424421143 is an apocalyptic number.

203424421143 is a deficient number, since it is larger than the sum of its proper divisors (68049669865).

203424421143 is a wasteful number, since it uses less digits than its factorization.

203424421143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60382373.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 203424421143 its reverse (341124424302), we get a palindrome (544548845445).

The spelling of 203424421143 in words is "two hundred three billion, four hundred twenty-four million, four hundred twenty-one thousand, one hundred forty-three".