2106323 has 4 divisors (see below), whose sum is σ = 2109408. Its totient is φ = 2103240.

The previous prime is 2106311. The next prime is 2106329. The reversal of 2106323 is 3236012.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2106323 - 2¹⁴ = 2089939 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 1 + 0 + 6 + 3⁵ + 2²¹ + 3⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (527352).

2^2106323 is an apocalyptic number.

2106323 is a deficient number, since it is larger than the sum of its proper divisors (3085).

2106323 is a wasteful number, since it uses less digits than its factorization.

2106323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2106323 is about 1451.3176771472. The cubic root of 2106323 is about 128.1863131490.

The spelling of 2106323 in words is "two million, one hundred six thousand, three hundred twenty-three".