205905462023 has 2 divisors, whose sum is σ = 205905462024. Its totient is φ = 205905462022.

The previous prime is 205905462011. The next prime is 205905462029. The reversal of 205905462023 is 320264509502.

205905462023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205905462023 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205905462029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102952731011 + 102952731012.

It is an arithmetic number, because the mean of its divisors is an integer number (102952731012).

Almost surely, 2^205905462023 is an apocalyptic number.

205905462023 is a deficient number, since it is larger than the sum of its proper divisors (1).

205905462023 is an equidigital number, since it uses as much as digits as its factorization.

205905462023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 205905462023 in words is "two hundred five billion, nine hundred five million, four hundred sixty-two thousand, twenty-three".