203143013124403 has 8 divisors (see below), whose sum is σ = 221610817612800. Its totient is φ = 184675251609480.

The previous prime is 203143013124391. The next prime is 203143013124433. The reversal of 203143013124403 is 304421310341302.

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

It is a cyclic number.

It is not a de Polignac number, because 203143013124403 - 2¹⁷ = 203143012993331 is a prime.

It is a super-2 number, since 2×203143013124403² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203143013124433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428703 + ... + 20161096.

It is an arithmetic number, because the mean of its divisors is an integer number (27701352201600).

Almost surely, 2^{203143013124403} is an apocalyptic number.

203143013124403 is a deficient number, since it is larger than the sum of its proper divisors (18467804488397).

203143013124403 is a wasteful number, since it uses less digits than its factorization.

203143013124403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21486737.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 203143013124403 its reverse (304421310341302), we get a palindrome (507564323465705).

The spelling of 203143013124403 in words is "two hundred three trillion, one hundred forty-three billion, thirteen million, one hundred twenty-four thousand, four hundred three".