205152323 has 2 divisors, whose sum is σ = 205152324. Its totient is φ = 205152322.

The previous prime is 205152317. The next prime is 205152331. The reversal of 205152323 is 323251502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205152323 - 2⁸ = 205152067 is a prime.

It is not a weakly prime, because it can be changed into another prime (205152023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102576161 + 102576162.

It is an arithmetic number, because the mean of its divisors is an integer number (102576162).

Almost surely, 2^205152323 is an apocalyptic number.

205152323 is a deficient number, since it is larger than the sum of its proper divisors (1).

205152323 is an equidigital number, since it uses as much as digits as its factorization.

205152323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 205152323 is about 14323.1394254193. The cubic root of 205152323 is about 589.7828589048.

The spelling of 205152323 in words is "two hundred five million, one hundred fifty-two thousand, three hundred twenty-three".