2106343 has 2 divisors, whose sum is σ = 2106344. Its totient is φ = 2106342.

The previous prime is 2106341. The next prime is 2106347. The reversal of 2106343 is 3436012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2106343 - 2¹ = 2106341 is a prime.

Together with 2106341, it forms a pair of twin primes.

2106343 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2106343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2106341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053171 + 1053172.

It is an arithmetic number, because the mean of its divisors is an integer number (1053172).

2^2106343 is an apocalyptic number.

2106343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106343 is an equidigital number, since it uses as much as digits as its factorization.

2106343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2106343 is about 1451.3245674211. The cubic root of 2106343 is about 128.1867188668.

The spelling of 2106343 in words is "two million, one hundred six thousand, three hundred forty-three".