206723163589097 has 2 divisors, whose sum is σ = 206723163589098. Its totient is φ = 206723163589096.

The previous prime is 206723163589087. The next prime is 206723163589099. The reversal of 206723163589097 is 790985361327602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119899455919321 + 86823707669776 = 10949861^2 + 9317924^2 .

It is a cyclic number.

It is not a de Polignac number, because 206723163589097 - 2²⁶ = 206723096480233 is a prime.

Together with 206723163589099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206723163589099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103361581794548 + 103361581794549.

It is an arithmetic number, because the mean of its divisors is an integer number (103361581794549).

Almost surely, 2^{206723163589097} is an apocalyptic number.

It is an amenable number.

206723163589097 is a deficient number, since it is larger than the sum of its proper divisors (1).

206723163589097 is an equidigital number, since it uses as much as digits as its factorization.

206723163589097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 205752960, while the sum is 68.

The spelling of 206723163589097 in words is "two hundred six trillion, seven hundred twenty-three billion, one hundred sixty-three million, five hundred eighty-nine thousand, ninety-seven".