2445123 has 8 divisors (see below), whose sum is σ = 3269968. Its totient is φ = 1625184.

The previous prime is 2445119. The next prime is 2445139. The reversal of 2445123 is 3215442.

2445123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2445123 - 2² = 2445119 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 2445123.

It is not an unprimeable number, because it can be changed into a prime (2445173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165 + ... + 2217.

It is an arithmetic number, because the mean of its divisors is an integer number (408746).

2^2445123 is an apocalyptic number.

2445123 is a deficient number, since it is larger than the sum of its proper divisors (824845).

2445123 is a wasteful number, since it uses less digits than its factorization.

2445123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453.

The product of its digits is 960, while the sum is 21.

The square root of 2445123 is about 1563.6889076795. The cubic root of 2445123 is about 134.7204641064.

The spelling of 2445123 in words is "two million, four hundred forty-five thousand, one hundred twenty-three".