2123585 has 8 divisors (see below), whose sum is σ = 2560896. Its totient is φ = 1690480.

The previous prime is 2123581. The next prime is 2123603. The reversal of 2123585 is 5853212.

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

It is not a de Polignac number, because 2123585 - 2² = 2123581 is a prime.

It is a super-2 number, since 2×2123585² = 9019226504450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (320112).

2^2123585 is an apocalyptic number.

It is an amenable number.

2123585 is a deficient number, since it is larger than the sum of its proper divisors (437311).

2123585 is a wasteful number, since it uses less digits than its factorization.

2123585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103.

The product of its digits is 2400, while the sum is 26.

The square root of 2123585 is about 1457.2525518935. The cubic root of 2123585 is about 128.5355370127.

Adding to 2123585 its reverse (5853212), we get a palindrome (7976797).

The spelling of 2123585 in words is "two million, one hundred twenty-three thousand, five hundred eighty-five".