204347623 has 2 divisors, whose sum is σ = 204347624. Its totient is φ = 204347622.

The previous prime is 204347597. The next prime is 204347723. The reversal of 204347623 is 326743402.

204347623 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 204347623 - 2¹³ = 204339431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204347323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102173811 + 102173812.

It is an arithmetic number, because the mean of its divisors is an integer number (102173812).

Almost surely, 2^204347623 is an apocalyptic number.

204347623 is a deficient number, since it is larger than the sum of its proper divisors (1).

204347623 is an equidigital number, since it uses as much as digits as its factorization.

204347623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 204347623 is about 14295.0209163890. The cubic root of 204347623 is about 589.0107169423.

The spelling of 204347623 in words is "two hundred four million, three hundred forty-seven thousand, six hundred twenty-three".