2240123 has 4 divisors (see below), whose sum is σ = 2243208. Its totient is φ = 2237040.

The previous prime is 2240113. The next prime is 2240137. The reversal of 2240123 is 3210422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2240123 - 2¹⁶ = 2174587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2240098 and 2240107.

It is not an unprimeable number, because it can be changed into a prime (2240113) 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, 215 + ... + 2127.

It is an arithmetic number, because the mean of its divisors is an integer number (560802).

2^2240123 is an apocalyptic number.

2240123 is a deficient number, since it is larger than the sum of its proper divisors (3085).

2240123 is a wasteful number, since it uses less digits than its factorization.

2240123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2240123 is about 1496.7040455614. The cubic root of 2240123 is about 130.8450472515.

Adding to 2240123 its reverse (3210422), we get a palindrome (5450545).

Subtracting 2240123 from its reverse (3210422), we obtain a cube (970299 = 99³).

The spelling of 2240123 in words is "two million, two hundred forty thousand, one hundred twenty-three".