47017134823 has 4 divisors (see below), whose sum is σ = 47255800680. Its totient is φ = 46778468968.

The previous prime is 47017134809. The next prime is 47017134851. The reversal of 47017134823 is 32843171074.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47017134823 is a prime.

It is a super-2 number, since 2×47017134823² (a number of 22 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 (47017134523) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 119332633 + ... + 119333026.

It is an arithmetic number, because the mean of its divisors is an integer number (11813950170).

Almost surely, 2^47017134823 is an apocalyptic number.

47017134823 is a deficient number, since it is larger than the sum of its proper divisors (238665857).

47017134823 is a wasteful number, since it uses less digits than its factorization.

47017134823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238665856.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 47017134823 in words is "forty-seven billion, seventeen million, one hundred thirty-four thousand, eight hundred twenty-three".