206396023 has 2 divisors, whose sum is σ = 206396024. Its totient is φ = 206396022.

The previous prime is 206395999. The next prime is 206396051. The reversal of 206396023 is 320693602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206396023 - 2⁵ = 206395991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206396053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103198011 + 103198012.

It is an arithmetic number, because the mean of its divisors is an integer number (103198012).

Almost surely, 2^206396023 is an apocalyptic number.

206396023 is a deficient number, since it is larger than the sum of its proper divisors (1).

206396023 is an equidigital number, since it uses as much as digits as its factorization.

206396023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 206396023 is about 14366.4895851422. The cubic root of 206396023 is about 590.9722769894.

It can be divided in two parts, 20639 and 6023, that added together give a palindrome (26662).

The spelling of 206396023 in words is "two hundred six million, three hundred ninety-six thousand, twenty-three".