213084343 has 2 divisors, whose sum is σ = 213084344. Its totient is φ = 213084342.

The previous prime is 213084337. The next prime is 213084353. The reversal of 213084343 is 343480312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213084343 - 2¹³ = 213076151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213084353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106542171 + 106542172.

It is an arithmetic number, because the mean of its divisors is an integer number (106542172).

Almost surely, 2^213084343 is an apocalyptic number.

213084343 is a deficient number, since it is larger than the sum of its proper divisors (1).

213084343 is an equidigital number, since it uses as much as digits as its factorization.

213084343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 213084343 is about 14597.4087769028. The cubic root of 213084343 is about 597.2880785300.

It can be divided in two parts, 21308 and 4343, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 213084343 in words is "two hundred thirteen million, eighty-four thousand, three hundred forty-three".