203104165344243 has 32 divisors (see below), whose sum is σ = 287056847453760. Its totient is φ = 127295006638080.

The previous prime is 203104165344229. The next prime is 203104165344263. The reversal of 203104165344243 is 342443561401302.

It is not a de Polignac number, because 203104165344243 - 2¹⁸ = 203104165082099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203104165344195 and 203104165344204.

It is not an unprimeable number, because it can be changed into a prime (203104165344263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1215519463 + ... + 1215686543.

It is an arithmetic number, because the mean of its divisors is an integer number (8970526482930).

Almost surely, 2^{203104165344243} is an apocalyptic number.

203104165344243 is a deficient number, since it is larger than the sum of its proper divisors (83952682109517).

203104165344243 is a wasteful number, since it uses less digits than its factorization.

203104165344243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193687.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 203104165344243 in words is "two hundred three trillion, one hundred four billion, one hundred sixty-five million, three hundred forty-four thousand, two hundred forty-three".