47723118 has 32 divisors (see below), whose sum is σ = 98561664. Its totient is φ = 15393312.

The previous prime is 47723113. The next prime is 47723119. The reversal of 47723118 is 81132774.

It is a happy number.

47723118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47723113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49921 + ... + 50867.

It is an arithmetic number, because the mean of its divisors is an integer number (3080052).

Almost surely, 2^47723118 is an apocalyptic number.

47723118 is an abundant number, since it is smaller than the sum of its proper divisors (50838546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47723118 is a wasteful number, since it uses less digits than its factorization.

47723118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216.

The product of its digits is 9408, while the sum is 33.

The square root of 47723118 is about 6908.1920934496. The cubic root of 47723118 is about 362.7239817519.

The spelling of 47723118 in words is "forty-seven million, seven hundred twenty-three thousand, one hundred eighteen".