2553123 has 4 divisors (see below), whose sum is σ = 3404168. Its totient is φ = 1702080.

The previous prime is 2553119. The next prime is 2553139. The reversal of 2553123 is 3213552.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2553123 - 2² = 2553119 is a prime.

It is a D-number.

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 2553123.

It is not an unprimeable number, because it can be changed into a prime (2553113) 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, 425518 + ... + 425523.

It is an arithmetic number, because the mean of its divisors is an integer number (851042).

2^2553123 is an apocalyptic number.

2553123 is a deficient number, since it is larger than the sum of its proper divisors (851045).

2553123 is an equidigital number, since it uses as much as digits as its factorization.

2553123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851044.

The product of its digits is 900, while the sum is 21.

The square root of 2553123 is about 1597.8494922864. The cubic root of 2553123 is about 136.6754710436.

Adding to 2553123 its reverse (3213552), we get a palindrome (5766675).

The spelling of 2553123 in words is "two million, five hundred fifty-three thousand, one hundred twenty-three".