205300423 has 2 divisors, whose sum is σ = 205300424. Its totient is φ = 205300422.

The previous prime is 205300409. The next prime is 205300439. The reversal of 205300423 is 324003502.

205300423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205300423 - 2⁹ = 205299911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 205300423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205300463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102650211 + 102650212.

It is an arithmetic number, because the mean of its divisors is an integer number (102650212).

Almost surely, 2^205300423 is an apocalyptic number.

205300423 is a deficient number, since it is larger than the sum of its proper divisors (1).

205300423 is an equidigital number, since it uses as much as digits as its factorization.

205300423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 205300423 is about 14328.3084486620. The cubic root of 205300423 is about 589.9247466981.

Adding to 205300423 its reverse (324003502), we get a palindrome (529303925).

The spelling of 205300423 in words is "two hundred five million, three hundred thousand, four hundred twenty-three".