2443243 has 4 divisors (see below), whose sum is σ = 2665368. Its totient is φ = 2221120.

The previous prime is 2443241. The next prime is 2443277. The reversal of 2443243 is 3423442.

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

It is not a de Polignac number, because 2443243 - 2¹ = 2443241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2443241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111046 + ... + 111067.

It is an arithmetic number, because the mean of its divisors is an integer number (666342).

2^2443243 is an apocalyptic number.

2443243 is a deficient number, since it is larger than the sum of its proper divisors (222125).

2443243 is a wasteful number, since it uses less digits than its factorization.

2443243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222124.

The product of its digits is 2304, while the sum is 22.

The square root of 2443243 is about 1563.0876494938. The cubic root of 2443243 is about 134.6859274099.

Adding to 2443243 its reverse (3423442), we get a palindrome (5866685).

The spelling of 2443243 in words is "two million, four hundred forty-three thousand, two hundred forty-three".