47293143 has 8 divisors (see below), whose sum is σ = 63283056. Its totient is φ = 31416000.

The previous prime is 47293097. The next prime is 47293153. The reversal of 47293143 is 34139274.

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

It is a de Polignac number, because none of the positive numbers 2^k-47293143 is a prime.

It is a super-3 number, since 3×47293143³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47293153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27208 + ... + 28893.

It is an arithmetic number, because the mean of its divisors is an integer number (7910382).

Almost surely, 2^47293143 is an apocalyptic number.

47293143 is a deficient number, since it is larger than the sum of its proper divisors (15989913).

47293143 is a wasteful number, since it uses less digits than its factorization.

47293143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56385.

The product of its digits is 18144, while the sum is 33.

The square root of 47293143 is about 6877.0010178856. The cubic root of 47293143 is about 361.6313387122.

The spelling of 47293143 in words is "forty-seven million, two hundred ninety-three thousand, one hundred forty-three".