200343427 has 2 divisors, whose sum is σ = 200343428. Its totient is φ = 200343426.

The previous prime is 200343413. The next prime is 200343433. The reversal of 200343427 is 724343002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200343427 is a prime.

It is not a weakly prime, because it can be changed into another prime (200346427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100171713 + 100171714.

It is an arithmetic number, because the mean of its divisors is an integer number (100171714).

Almost surely, 2^200343427 is an apocalyptic number.

200343427 is a deficient number, since it is larger than the sum of its proper divisors (1).

200343427 is an equidigital number, since it uses as much as digits as its factorization.

200343427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 200343427 is about 14154.2723938746. The cubic root of 200343427 is about 585.1380851135.

Adding to 200343427 its reverse (724343002), we get a palindrome (924686429).

The spelling of 200343427 in words is "two hundred million, three hundred forty-three thousand, four hundred twenty-seven".