200239643 has 2 divisors, whose sum is σ = 200239644. Its totient is φ = 200239642.

The previous prime is 200239621. The next prime is 200239703. The reversal of 200239643 is 346932002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200239643 - 2⁶ = 200239579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200239843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100119821 + 100119822.

It is an arithmetic number, because the mean of its divisors is an integer number (100119822).

Almost surely, 2^200239643 is an apocalyptic number.

200239643 is a deficient number, since it is larger than the sum of its proper divisors (1).

200239643 is an equidigital number, since it uses as much as digits as its factorization.

200239643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 200239643 is about 14150.6057467516. The cubic root of 200239643 is about 585.0370278752.

The spelling of 200239643 in words is "two hundred million, two hundred thirty-nine thousand, six hundred forty-three".