208317230473 has 8 divisors (see below), whose sum is σ = 227271675456. Its totient is φ = 189365538000.

The previous prime is 208317230467. The next prime is 208317230479. The reversal of 208317230473 is 374032713802.

It is an interprime number because it is at equal distance from previous prime (208317230467) and next prime (208317230479).

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

It is a cyclic number.

It is not a de Polignac number, because 208317230473 - 2²⁹ = 207780359561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208317230479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528261 + ... + 834082.

It is an arithmetic number, because the mean of its divisors is an integer number (28408959432).

Almost surely, 2^208317230473 is an apocalyptic number.

It is an amenable number.

208317230473 is a deficient number, since it is larger than the sum of its proper divisors (18954444983).

208317230473 is a wasteful number, since it uses less digits than its factorization.

208317230473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376255.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 208317230473 in words is "two hundred eight billion, three hundred seventeen million, two hundred thirty thousand, four hundred seventy-three".