204218323 has 2 divisors, whose sum is σ = 204218324. Its totient is φ = 204218322.

The previous prime is 204218317. The next prime is 204218341. The reversal of 204218323 is 323812402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204218323 - 2¹³ = 204210131 is a prime.

It is not a weakly prime, because it can be changed into another prime (204218393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102109161 + 102109162.

It is an arithmetic number, because the mean of its divisors is an integer number (102109162).

Almost surely, 2^204218323 is an apocalyptic number.

204218323 is a deficient number, since it is larger than the sum of its proper divisors (1).

204218323 is an equidigital number, since it uses as much as digits as its factorization.

204218323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 204218323 is about 14290.4976470380. The cubic root of 204218323 is about 588.8864594747.

The spelling of 204218323 in words is "two hundred four million, two hundred eighteen thousand, three hundred twenty-three".