47283143 has 2 divisors, whose sum is σ = 47283144. Its totient is φ = 47283142.

The previous prime is 47283133. The next prime is 47283157. The reversal of 47283143 is 34138274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47283143 - 2²⁰ = 46234567 is a prime.

It is a super-2 number, since 2×47283143² = 4471391223916898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47283133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23641571 + 23641572.

It is an arithmetic number, because the mean of its divisors is an integer number (23641572).

Almost surely, 2^47283143 is an apocalyptic number.

47283143 is a deficient number, since it is larger than the sum of its proper divisors (1).

47283143 is an equidigital number, since it uses as much as digits as its factorization.

47283143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 47283143 is about 6876.2739183369. The cubic root of 47283143 is about 361.6058482776.

The spelling of 47283143 in words is "forty-seven million, two hundred eighty-three thousand, one hundred forty-three".