47174423 has 4 divisors (see below), whose sum is σ = 47189328. Its totient is φ = 47159520.

The previous prime is 47174381. The next prime is 47174447. The reversal of 47174423 is 32447174.

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-47174423 is a prime.

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 47174423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47174123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611 + ... + 9732.

It is an arithmetic number, because the mean of its divisors is an integer number (11797332).

Almost surely, 2^47174423 is an apocalyptic number.

47174423 is a deficient number, since it is larger than the sum of its proper divisors (14905).

47174423 is a wasteful number, since it uses less digits than its factorization.

47174423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14904.

The product of its digits is 18816, while the sum is 32.

The square root of 47174423 is about 6868.3639245456. The cubic root of 47174423 is about 361.3284840431.

The spelling of 47174423 in words is "forty-seven million, one hundred seventy-four thousand, four hundred twenty-three".