205114123 has 2 divisors, whose sum is σ = 205114124. Its totient is φ = 205114122.

The previous prime is 205114121. The next prime is 205114127. The reversal of 205114123 is 321411502.

205114123 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 205114123 - 2¹ = 205114121 is a prime.

Together with 205114121, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 205114123.

It is not a weakly prime, because it can be changed into another prime (205114121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102557061 + 102557062.

It is an arithmetic number, because the mean of its divisors is an integer number (102557062).

Almost surely, 2^205114123 is an apocalyptic number.

205114123 is a deficient number, since it is larger than the sum of its proper divisors (1).

205114123 is an equidigital number, since it uses as much as digits as its factorization.

205114123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 205114123 is about 14321.8058568045. The cubic root of 205114123 is about 589.7462501655.

Adding to 205114123 its reverse (321411502), we get a palindrome (526525625).

The spelling of 205114123 in words is "two hundred five million, one hundred fourteen thousand, one hundred twenty-three".