204242023 has 2 divisors, whose sum is σ = 204242024. Its totient is φ = 204242022.

The previous prime is 204242021. The next prime is 204242083. The reversal of 204242023 is 320242402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204242023 - 2¹ = 204242021 is a prime.

Together with 204242021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204242021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102121011 + 102121012.

It is an arithmetic number, because the mean of its divisors is an integer number (102121012).

Almost surely, 2^204242023 is an apocalyptic number.

204242023 is a deficient number, since it is larger than the sum of its proper divisors (1).

204242023 is an equidigital number, since it uses as much as digits as its factorization.

204242023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 204242023 is about 14291.3268453283. The cubic root of 204242023 is about 588.9092391304.

Adding to 204242023 its reverse (320242402), we get a palindrome (524484425).

The spelling of 204242023 in words is "two hundred four million, two hundred forty-two thousand, twenty-three".