208734023 has 2 divisors, whose sum is σ = 208734024. Its totient is φ = 208734022.

The previous prime is 208734017. The next prime is 208734089. The reversal of 208734023 is 320437802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208734023 - 2¹⁰ = 208732999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208734013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104367011 + 104367012.

It is an arithmetic number, because the mean of its divisors is an integer number (104367012).

Almost surely, 2^208734023 is an apocalyptic number.

208734023 is a deficient number, since it is larger than the sum of its proper divisors (1).

208734023 is an equidigital number, since it uses as much as digits as its factorization.

208734023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 208734023 is about 14447.6303593357. The cubic root of 208734023 is about 593.1953634577.

The spelling of 208734023 in words is "two hundred eight million, seven hundred thirty-four thousand, twenty-three".