206452212343 has 4 divisors (see below), whose sum is σ = 222333151768. Its totient is φ = 190571272920.

The previous prime is 206452212313. The next prime is 206452212349. The reversal of 206452212343 is 343212254602.

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 206452212343 - 2¹⁷ = 206452081271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206452212299 and 206452212308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206452212349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7940469693 + ... + 7940469718.

It is an arithmetic number, because the mean of its divisors is an integer number (55583287942).

Almost surely, 2^206452212343 is an apocalyptic number.

206452212343 is a deficient number, since it is larger than the sum of its proper divisors (15880939425).

206452212343 is a wasteful number, since it uses less digits than its factorization.

206452212343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15880939424.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 206452212343 its reverse (343212254602), we get a palindrome (549664466945).

The spelling of 206452212343 in words is "two hundred six billion, four hundred fifty-two million, two hundred twelve thousand, three hundred forty-three".