206101010550023 has 4 divisors (see below), whose sum is σ = 206350225799400. Its totient is φ = 205851795300648.

The previous prime is 206101010550013. The next prime is 206101010550037. The reversal of 206101010550023 is 320055010101602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206101010550023 - 2¹⁶ = 206101010484487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206101010549974 and 206101010550001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206101010550013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124607623448 + ... + 124607625101.

It is an arithmetic number, because the mean of its divisors is an integer number (51587556449850).

Almost surely, 2^{206101010550023} is an apocalyptic number.

206101010550023 is a deficient number, since it is larger than the sum of its proper divisors (249215249377).

206101010550023 is an equidigital number, since it uses as much as digits as its factorization.

206101010550023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249215249376.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 206101010550023 its reverse (320055010101602), we get a palindrome (526156020651625).

The spelling of 206101010550023 in words is "two hundred six trillion, one hundred one billion, ten million, five hundred fifty thousand, twenty-three".