2318123 has 4 divisors (see below), whose sum is σ = 2330328. Its totient is φ = 2305920.

The previous prime is 2318119. The next prime is 2318153. The reversal of 2318123 is 3218132.

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 2318123 - 2² = 2318119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2318095 and 2318104.

It is not an unprimeable number, because it can be changed into a prime (2318153) 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, 5813 + ... + 6198.

It is an arithmetic number, because the mean of its divisors is an integer number (582582).

2^2318123 is an apocalyptic number.

2318123 is a deficient number, since it is larger than the sum of its proper divisors (12205).

2318123 is a wasteful number, since it uses less digits than its factorization.

2318123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12204.

The product of its digits is 288, while the sum is 20.

The square root of 2318123 is about 1522.5383410607. The cubic root of 2318123 is about 132.3464080009.

Subtracting 2318123 from its reverse (3218132), we obtain a palindrome (900009).

The spelling of 2318123 in words is "two million, three hundred eighteen thousand, one hundred twenty-three".