204351923 has 2 divisors, whose sum is σ = 204351924. Its totient is φ = 204351922.

The previous prime is 204351919. The next prime is 204351929. The reversal of 204351923 is 329153402.

204351923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204351923 - 2² = 204351919 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (204351929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102175961 + 102175962.

It is an arithmetic number, because the mean of its divisors is an integer number (102175962).

Almost surely, 2^204351923 is an apocalyptic number.

204351923 is a deficient number, since it is larger than the sum of its proper divisors (1).

204351923 is an equidigital number, since it uses as much as digits as its factorization.

204351923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 204351923 is about 14295.1713176163. The cubic root of 204351923 is about 589.0148483472.

The spelling of 204351923 in words is "two hundred four million, three hundred fifty-one thousand, nine hundred twenty-three".