2122523 has 8 divisors (see below), whose sum is σ = 2339568. Its totient is φ = 1913184.

The previous prime is 2122513. The next prime is 2122531. The reversal of 2122523 is 3252212.

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

It is not a de Polignac number, because 2122523 - 2⁴ = 2122507 is a prime.

It is a d-powerful number, because it can be written as 2 + 1 + 2⁹ + 2¹¹ + 5⁵ + 2²¹ + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122513) 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, 1340 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (292446).

2^2122523 is an apocalyptic number.

2122523 is a deficient number, since it is larger than the sum of its proper divisors (217045).

2122523 is a wasteful number, since it uses less digits than its factorization.

2122523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853.

The product of its digits is 240, while the sum is 17.

The square root of 2122523 is about 1456.8881219915. Note that the first 3 decimals coincide. The cubic root of 2122523 is about 128.5141066639.

Adding to 2122523 its reverse (3252212), we get a palindrome (5374735).

It can be divided in two parts, 212252 and 3, that multiplied together give a triangular number (636756 = T₁₁₂₈).

The spelling of 2122523 in words is "two million, one hundred twenty-two thousand, five hundred twenty-three".