247151347423 has 4 divisors (see below), whose sum is σ = 247163518168. Its totient is φ = 247139176680.

The previous prime is 247151347393. The next prime is 247151347459. The reversal of 247151347423 is 324743151742.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 247151347423 - 2¹³ = 247151339231 is a prime.

It is a super-2 number, since 2×247151347423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 247151347423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247151347823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6054861 + ... + 6095542.

It is an arithmetic number, because the mean of its divisors is an integer number (61790879542).

Almost surely, 2^247151347423 is an apocalyptic number.

247151347423 is a deficient number, since it is larger than the sum of its proper divisors (12170745).

247151347423 is a wasteful number, since it uses less digits than its factorization.

247151347423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12170744.

The product of its digits is 564480, while the sum is 43.

The spelling of 247151347423 in words is "two hundred forty-seven billion, one hundred fifty-one million, three hundred forty-seven thousand, four hundred twenty-three".