206713223 has 2 divisors, whose sum is σ = 206713224. Its totient is φ = 206713222.

The previous prime is 206713211. The next prime is 206713249. The reversal of 206713223 is 322317602.

It is an a-pointer prime, because the next prime (206713249) can be obtained adding 206713223 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206713223 - 2⁴ = 206713207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206713192 and 206713201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206713723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103356611 + 103356612.

It is an arithmetic number, because the mean of its divisors is an integer number (103356612).

Almost surely, 2^206713223 is an apocalyptic number.

206713223 is a deficient number, since it is larger than the sum of its proper divisors (1).

206713223 is an equidigital number, since it uses as much as digits as its factorization.

206713223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 206713223 is about 14377.5249260782. The cubic root of 206713223 is about 591.2748675376.

The spelling of 206713223 in words is "two hundred six million, seven hundred thirteen thousand, two hundred twenty-three".