203041045343 has 16 divisors (see below), whose sum is σ = 206996876352. Its totient is φ = 199118304000.

The previous prime is 203041045331. The next prime is 203041045367. The reversal of 203041045343 is 343540140302.

It is a cyclic number.

It is not a de Polignac number, because 203041045343 - 2⁸ = 203041045087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203041045313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11245403 + ... + 11263443.

It is an arithmetic number, because the mean of its divisors is an integer number (12937304772).

Almost surely, 2^203041045343 is an apocalyptic number.

203041045343 is a deficient number, since it is larger than the sum of its proper divisors (3955831009).

203041045343 is a wasteful number, since it uses less digits than its factorization.

203041045343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18946.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 203041045343 its reverse (343540140302), we get a palindrome (546581185645).

The spelling of 203041045343 in words is "two hundred three billion, forty-one million, forty-five thousand, three hundred forty-three".