208252623 has 8 divisors (see below), whose sum is σ = 277737136. Its totient is φ = 138801600.

The previous prime is 208252621. The next prime is 208252631. The reversal of 208252623 is 326252802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 208252623 - 2¹ = 208252621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208252621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18093 + ... + 27273.

It is an arithmetic number, because the mean of its divisors is an integer number (34717142).

Almost surely, 2^208252623 is an apocalyptic number.

208252623 is a deficient number, since it is larger than the sum of its proper divisors (69484513).

208252623 is an equidigital number, since it uses as much as digits as its factorization.

208252623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16745.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 208252623 is about 14430.9605709391. The cubic root of 208252623 is about 592.7389867151.

The spelling of 208252623 in words is "two hundred eight million, two hundred fifty-two thousand, six hundred twenty-three".