203543302343 has 2 divisors, whose sum is σ = 203543302344. Its totient is φ = 203543302342.

The previous prime is 203543302337. The next prime is 203543302357. The reversal of 203543302343 is 343203345302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203543302343 - 2¹⁶ = 203543236807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203543302363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101771651171 + 101771651172.

It is an arithmetic number, because the mean of its divisors is an integer number (101771651172).

Almost surely, 2^203543302343 is an apocalyptic number.

203543302343 is a deficient number, since it is larger than the sum of its proper divisors (1).

203543302343 is an equidigital number, since it uses as much as digits as its factorization.

203543302343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 32.

Adding to 203543302343 its reverse (343203345302), we get a palindrome (546746647645).

The spelling of 203543302343 in words is "two hundred three billion, five hundred forty-three million, three hundred two thousand, three hundred forty-three".