208800043 has 2 divisors, whose sum is σ = 208800044. Its totient is φ = 208800042.

The previous prime is 208800041. The next prime is 208800047. The reversal of 208800043 is 340008802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208800043 - 2¹ = 208800041 is a prime.

Together with 208800041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 208799990 and 208800017.

It is not a weakly prime, because it can be changed into another prime (208800041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104400021 + 104400022.

It is an arithmetic number, because the mean of its divisors is an integer number (104400022).

Almost surely, 2^208800043 is an apocalyptic number.

208800043 is a deficient number, since it is larger than the sum of its proper divisors (1).

208800043 is an equidigital number, since it uses as much as digits as its factorization.

208800043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 208800043 is about 14449.9149824489. The cubic root of 208800043 is about 593.2578969939.

Adding to 208800043 its reverse (340008802), we get a palindrome (548808845).

The spelling of 208800043 in words is "two hundred eight million, eight hundred thousand, forty-three".