2100343 has 8 divisors (see below), whose sum is σ = 2478080. Its totient is φ = 1742040.

The previous prime is 2100313. The next prime is 2100353. The reversal of 2100343 is 3430012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100343 - 2²¹ = 3191 is a prime.

It is a super-2 number, since 2×2100343² = 8822881435298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4623 + ... + 5056.

It is an arithmetic number, because the mean of its divisors is an integer number (309760).

2^2100343 is an apocalyptic number.

2100343 is a deficient number, since it is larger than the sum of its proper divisors (377737).

2100343 is an equidigital number, since it uses as much as digits as its factorization.

2100343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9717.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2100343 is about 1449.2560160303. The cubic root of 2100343 is about 128.0648881613.

Adding to 2100343 its reverse (3430012), we get a palindrome (5530355).

The spelling of 2100343 in words is "two million, one hundred thousand, three hundred forty-three".