247303045173 has 4 divisors (see below), whose sum is σ = 329737393568. Its totient is φ = 164868696780.

The previous prime is 247303045159. The next prime is 247303045289. The reversal of 247303045173 is 371540303742.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 247303045173 - 2¹² = 247303041077 is a prime.

It is a super-2 number, since 2×247303045173² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247303046173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41217174193 + ... + 41217174198.

It is an arithmetic number, because the mean of its divisors is an integer number (82434348392).

Almost surely, 2^247303045173 is an apocalyptic number.

It is an amenable number.

247303045173 is a deficient number, since it is larger than the sum of its proper divisors (82434348395).

247303045173 is an equidigital number, since it uses as much as digits as its factorization.

247303045173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82434348394.

The product of its (nonzero) digits is 211680, while the sum is 39.

The spelling of 247303045173 in words is "two hundred forty-seven billion, three hundred three million, forty-five thousand, one hundred seventy-three".