2443123 has 4 divisors (see below), whose sum is σ = 2455600. Its totient is φ = 2430648.

The previous prime is 2443117. The next prime is 2443151. The reversal of 2443123 is 3213442.

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 2443123 - 2¹³ = 2434931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2443123.

It is not an unprimeable number, because it can be changed into a prime (2443183) 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, 5940 + ... + 6337.

It is an arithmetic number, because the mean of its divisors is an integer number (613900).

2^2443123 is an apocalyptic number.

2443123 is a deficient number, since it is larger than the sum of its proper divisors (12477).

2443123 is a wasteful number, since it uses less digits than its factorization.

2443123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12476.

The product of its digits is 576, while the sum is 19.

The square root of 2443123 is about 1563.0492634591. The cubic root of 2443123 is about 134.6837223385.

Adding to 2443123 its reverse (3213442), we get a palindrome (5656565).

The spelling of 2443123 in words is "two million, four hundred forty-three thousand, one hundred twenty-three".