2101343 has 4 divisors (see below), whose sum is σ = 2211960. Its totient is φ = 1990728.

The previous prime is 2101327. The next prime is 2101357. The reversal of 2101343 is 3431012.

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 2101343 - 2⁴ = 2101327 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101313) 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, 55280 + ... + 55317.

It is an arithmetic number, because the mean of its divisors is an integer number (552990).

2^2101343 is an apocalyptic number.

2101343 is a deficient number, since it is larger than the sum of its proper divisors (110617).

2101343 is a wasteful number, since it uses less digits than its factorization.

2101343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110616.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2101343 is about 1449.6009795802. The cubic root of 2101343 is about 128.0852093770.

Adding to 2101343 its reverse (3431012), we get a palindrome (5532355).

The spelling of 2101343 in words is "two million, one hundred one thousand, three hundred forty-three".