2123375 has 8 divisors (see below), whose sum is σ = 2650128. Its totient is φ = 1698600.

The previous prime is 2123369. The next prime is 2123377. The reversal of 2123375 is 5733212.

2123375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2123375 - 2¹⁴ = 2106991 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 2123375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123377) 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, 8369 + ... + 8618.

It is an arithmetic number, because the mean of its divisors is an integer number (331266).

2^2123375 is an apocalyptic number.

2123375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2123375 is a deficient number, since it is larger than the sum of its proper divisors (526753).

2123375 is an equidigital number, since it uses as much as digits as its factorization.

2123375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17002 (or 16992 counting only the distinct ones).

The product of its digits is 1260, while the sum is 23.

The square root of 2123375 is about 1457.1804967127. The cubic root of 2123375 is about 128.5312999399.

Adding to 2123375 its reverse (5733212), we get a palindrome (7856587).

The spelling of 2123375 in words is "two million, one hundred twenty-three thousand, three hundred seventy-five".