206213350823 has 2 divisors, whose sum is σ = 206213350824. Its totient is φ = 206213350822.

The previous prime is 206213350813. The next prime is 206213350877. The reversal of 206213350823 is 328053312602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206213350823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206213350813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103106675411 + 103106675412.

It is an arithmetic number, because the mean of its divisors is an integer number (103106675412).

Almost surely, 2^206213350823 is an apocalyptic number.

206213350823 is a deficient number, since it is larger than the sum of its proper divisors (1).

206213350823 is an equidigital number, since it uses as much as digits as its factorization.

206213350823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 206213350823 in words is "two hundred six billion, two hundred thirteen million, three hundred fifty thousand, eight hundred twenty-three".