47147136723 has 16 divisors (see below), whose sum is σ = 69890977440. Its totient is φ = 31411909152.

The previous prime is 47147136713. The next prime is 47147136727. The reversal of 47147136723 is 32763174174.

It is a happy number.

47147136723 is a `hidden beast` number, since 471 + 47 + 136 + 7 + 2 + 3 = 666.

It is not a de Polignac number, because 47147136723 - 2⁵ = 47147136691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47147136727) 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 15 ways as a sum of consecutive naturals, for example, 497736 + ... + 584837.

It is an arithmetic number, because the mean of its divisors is an integer number (4368186090).

Almost surely, 2^47147136723 is an apocalyptic number.

47147136723 is a deficient number, since it is larger than the sum of its proper divisors (22743840717).

47147136723 is a wasteful number, since it uses less digits than its factorization.

47147136723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084195 (or 1084189 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The spelling of 47147136723 in words is "forty-seven billion, one hundred forty-seven million, one hundred thirty-six thousand, seven hundred twenty-three".