200243203423 has 2 divisors, whose sum is σ = 200243203424. Its totient is φ = 200243203422.

The previous prime is 200243203417. The next prime is 200243203453. The reversal of 200243203423 is 324302342002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200243203423 - 2⁹ = 200243202911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200243203453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100121601711 + 100121601712.

It is an arithmetic number, because the mean of its divisors is an integer number (100121601712).

Almost surely, 2^200243203423 is an apocalyptic number.

200243203423 is a deficient number, since it is larger than the sum of its proper divisors (1).

200243203423 is an equidigital number, since it uses as much as digits as its factorization.

200243203423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 200243203423 its reverse (324302342002), we get a palindrome (524545545425).

The spelling of 200243203423 in words is "two hundred billion, two hundred forty-three million, two hundred three thousand, four hundred twenty-three".