203241421143 has 96 divisors (see below), whose sum is σ = 314537932800. Its totient is φ = 126261338112.

The previous prime is 203241421133. The next prime is 203241421169. The reversal of 203241421143 is 341124142302.

203241421143 is a `hidden beast` number, since 2 + 0 + 32 + 414 + 211 + 4 + 3 = 666.

It is not a de Polignac number, because 203241421143 - 2⁶ = 203241421079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203241421133) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 176271255 + ... + 176272407.

It is an arithmetic number, because the mean of its divisors is an integer number (3276436800).

Almost surely, 2^203241421143 is an apocalyptic number.

203241421143 is a deficient number, since it is larger than the sum of its proper divisors (111296511657).

203241421143 is a wasteful number, since it uses less digits than its factorization.

203241421143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 203241421143 its reverse (341124142302), we get a palindrome (544365563445).

The spelling of 203241421143 in words is "two hundred three billion, two hundred forty-one million, four hundred twenty-one thousand, one hundred forty-three".