204923087 has 2 divisors, whose sum is σ = 204923088. Its totient is φ = 204923086.

The previous prime is 204923071. The next prime is 204923119. The reversal of 204923087 is 780329402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204923087 - 2⁴ = 204923071 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 (204923687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102461543 + 102461544.

It is an arithmetic number, because the mean of its divisors is an integer number (102461544).

Almost surely, 2^204923087 is an apocalyptic number.

204923087 is a deficient number, since it is larger than the sum of its proper divisors (1).

204923087 is an equidigital number, since it uses as much as digits as its factorization.

204923087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 204923087 is about 14315.1348928328. The cubic root of 204923087 is about 589.5631037333.

The spelling of 204923087 in words is "two hundred four million, nine hundred twenty-three thousand, eighty-seven".