47632143 has 12 divisors (see below), whose sum is σ = 68771400. Its totient is φ = 29311776.

The previous prime is 47632139. The next prime is 47632157. The reversal of 47632143 is 34123674.

It is not a de Polignac number, because 47632143 - 2² = 47632139 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47632143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47632133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46468 + ... + 47481.

It is an arithmetic number, because the mean of its divisors is an integer number (5730950).

Almost surely, 2^47632143 is an apocalyptic number.

47632143 is a deficient number, since it is larger than the sum of its proper divisors (21139257).

47632143 is a wasteful number, since it uses less digits than its factorization.

47632143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93978 (or 93965 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 47632143 is about 6901.6043786934. The cubic root of 47632143 is about 362.4933471629.

The spelling of 47632143 in words is "forty-seven million, six hundred thirty-two thousand, one hundred forty-three".