47417823 has 6 divisors (see below), whose sum is σ = 68492424. Its totient is φ = 31611876.

The previous prime is 47417809. The next prime is 47417857. The reversal of 47417823 is 32871474.

It is a happy number.

It is not a de Polignac number, because 47417823 - 2⁵ = 47417791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47417873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2634315 + ... + 2634332.

It is an arithmetic number, because the mean of its divisors is an integer number (11415404).

Almost surely, 2^47417823 is an apocalyptic number.

47417823 is a deficient number, since it is larger than the sum of its proper divisors (21074601).

47417823 is a wasteful number, since it uses less digits than its factorization.

47417823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268653 (or 5268650 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 47417823 is about 6886.0600491137. The cubic root of 47417823 is about 361.9488521897.

The spelling of 47417823 in words is "forty-seven million, four hundred seventeen thousand, eight hundred twenty-three".