213927143 has 2 divisors, whose sum is σ = 213927144. Its totient is φ = 213927142.

The previous prime is 213927139. The next prime is 213927151. The reversal of 213927143 is 341729312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213927143 - 2² = 213927139 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213921143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106963571 + 106963572.

It is an arithmetic number, because the mean of its divisors is an integer number (106963572).

Almost surely, 2^213927143 is an apocalyptic number.

213927143 is a deficient number, since it is larger than the sum of its proper divisors (1).

213927143 is an equidigital number, since it uses as much as digits as its factorization.

213927143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 213927143 is about 14626.2484253482. The cubic root of 213927143 is about 598.0745154214.

The spelling of 213927143 in words is "two hundred thirteen million, nine hundred twenty-seven thousand, one hundred forty-three".