203141454431243 has 4 divisors (see below), whose sum is σ = 203141503792920. Its totient is φ = 203141405069568.

The previous prime is 203141454431231. The next prime is 203141454431249. The reversal of 203141454431243 is 342134454141302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203141454431243 - 2¹⁰ = 203141454430219 is a prime.

It is a super-2 number, since 2×203141454431243² (a number of 29 digits) contains 22 as substring.

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 203141454431243.

It is not an unprimeable number, because it can be changed into a prime (203141454431249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17883830 + ... + 26946507.

It is an arithmetic number, because the mean of its divisors is an integer number (50785375948230).

Almost surely, 2^{203141454431243} is an apocalyptic number.

203141454431243 is a deficient number, since it is larger than the sum of its proper divisors (49361677).

203141454431243 is an equidigital number, since it uses as much as digits as its factorization.

203141454431243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49361676.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 203141454431243 in words is "two hundred three trillion, one hundred forty-one billion, four hundred fifty-four million, four hundred thirty-one thousand, two hundred forty-three".