47838523 has 8 divisors (see below), whose sum is σ = 50829120. Its totient is φ = 44895240.

The previous prime is 47838509. The next prime is 47838541. The reversal of 47838523 is 32583874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47838523 - 2⁵ = 47838491 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47838503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9733 + ... + 13798.

It is an arithmetic number, because the mean of its divisors is an integer number (6353640).

Almost surely, 2^47838523 is an apocalyptic number.

47838523 is a deficient number, since it is larger than the sum of its proper divisors (2990597).

47838523 is a wasteful number, since it uses less digits than its factorization.

47838523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23657.

The product of its digits is 161280, while the sum is 40.

The square root of 47838523 is about 6916.5398140978. The cubic root of 47838523 is about 363.0161285196.

The spelling of 47838523 in words is "forty-seven million, eight hundred thirty-eight thousand, five hundred twenty-three".