206263423 has 2 divisors, whose sum is σ = 206263424. Its totient is φ = 206263422.

The previous prime is 206263417. The next prime is 206263451. The reversal of 206263423 is 324362602.

It is an a-pointer prime, because the next prime (206263451) can be obtained adding 206263423 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206263423 - 2¹⁷ = 206132351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206263391 and 206263400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206263223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103131711 + 103131712.

It is an arithmetic number, because the mean of its divisors is an integer number (103131712).

Almost surely, 2^206263423 is an apocalyptic number.

206263423 is a deficient number, since it is larger than the sum of its proper divisors (1).

206263423 is an equidigital number, since it uses as much as digits as its factorization.

206263423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 206263423 is about 14361.8739376169. The cubic root of 206263423 is about 590.8456923289.

The spelling of 206263423 in words is "two hundred six million, two hundred sixty-three thousand, four hundred twenty-three".