204313423 has 2 divisors, whose sum is σ = 204313424. Its totient is φ = 204313422.

The previous prime is 204313411. The next prime is 204313427. The reversal of 204313423 is 324313402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204313423 - 2²¹ = 202216271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204313394 and 204313403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204313427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102156711 + 102156712.

It is an arithmetic number, because the mean of its divisors is an integer number (102156712).

Almost surely, 2^204313423 is an apocalyptic number.

204313423 is a deficient number, since it is larger than the sum of its proper divisors (1).

204313423 is an equidigital number, since it uses as much as digits as its factorization.

204313423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 204313423 is about 14293.8246456293. The cubic root of 204313423 is about 588.9778557977.

Adding to 204313423 its reverse (324313402), we get a palindrome (528626825).

The spelling of 204313423 in words is "two hundred four million, three hundred thirteen thousand, four hundred twenty-three".