247223327305 has 8 divisors (see below), whose sum is σ = 314119051272. Its totient is φ = 186144622848.

The previous prime is 247223327279. The next prime is 247223327341. The reversal of 247223327305 is 503723322742.

247223327305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11613079696 + 235610247609 = 107764^2 + 485397^2 .

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 247223327305 - 2¹⁵ = 247223294537 is a prime.

It is a super-2 number, since 2×247223327305² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1454254782 + ... + 1454254951.

It is an arithmetic number, because the mean of its divisors is an integer number (39264881409).

Almost surely, 2^247223327305 is an apocalyptic number.

It is an amenable number.

247223327305 is a deficient number, since it is larger than the sum of its proper divisors (66895723967).

247223327305 is a wasteful number, since it uses less digits than its factorization.

247223327305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908509755.

The product of its (nonzero) digits is 423360, while the sum is 40.

The spelling of 247223327305 in words is "two hundred forty-seven billion, two hundred twenty-three million, three hundred twenty-seven thousand, three hundred five".