2100323 has 4 divisors (see below), whose sum is σ = 2116488. Its totient is φ = 2084160.

The previous prime is 2100313. The next prime is 2100353. The reversal of 2100323 is 3230012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100323 - 2¹⁰ = 2099299 is a prime.

It is a super-2 number, since 2×2100323² = 8822713408658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7886 + ... + 8147.

It is an arithmetic number, because the mean of its divisors is an integer number (529122).

2^2100323 is an apocalyptic number.

2100323 is a deficient number, since it is larger than the sum of its proper divisors (16165).

2100323 is a wasteful number, since it uses less digits than its factorization.

2100323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16164.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2100323 is about 1449.2491159218. The cubic root of 2100323 is about 128.0644816712.

Adding to 2100323 its reverse (3230012), we get a palindrome (5330335).

The spelling of 2100323 in words is "two million, one hundred thousand, three hundred twenty-three".