208348823 has 2 divisors, whose sum is σ = 208348824. Its totient is φ = 208348822.

The previous prime is 208348817. The next prime is 208348837. The reversal of 208348823 is 328843802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208348823 - 2¹² = 208344727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208348843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104174411 + 104174412.

It is an arithmetic number, because the mean of its divisors is an integer number (104174412).

Almost surely, 2^208348823 is an apocalyptic number.

208348823 is a deficient number, since it is larger than the sum of its proper divisors (1).

208348823 is an equidigital number, since it uses as much as digits as its factorization.

208348823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 208348823 is about 14434.2932975605. The cubic root of 208348823 is about 592.8302424087.

The spelling of 208348823 in words is "two hundred eight million, three hundred forty-eight thousand, eight hundred twenty-three".