200421383 has 2 divisors, whose sum is σ = 200421384. Its totient is φ = 200421382.

The previous prime is 200421311. The next prime is 200421391. The reversal of 200421383 is 383124002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200421383 - 2⁸ = 200421127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200421883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100210691 + 100210692.

It is an arithmetic number, because the mean of its divisors is an integer number (100210692).

Almost surely, 2^200421383 is an apocalyptic number.

200421383 is a deficient number, since it is larger than the sum of its proper divisors (1).

200421383 is an equidigital number, since it uses as much as digits as its factorization.

200421383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 200421383 is about 14157.0259235476. The cubic root of 200421383 is about 585.2139699912.

Adding to 200421383 its reverse (383124002), we get a palindrome (583545385).

The spelling of 200421383 in words is "two hundred million, four hundred twenty-one thousand, three hundred eighty-three".