2123255 has 8 divisors (see below), whose sum is σ = 2584224. Its totient is φ = 1674400.

The previous prime is 2123243. The next prime is 2123257. The reversal of 2123255 is 5523212.

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

It is not a de Polignac number, because 2123255 - 2⁴ = 2123239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123257) 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, 2636 + ... + 3345.

It is an arithmetic number, because the mean of its divisors is an integer number (323028).

2^2123255 is an apocalyptic number.

2123255 is a deficient number, since it is larger than the sum of its proper divisors (460969).

2123255 is an equidigital number, since it uses as much as digits as its factorization.

2123255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057.

The product of its digits is 600, while the sum is 20.

The square root of 2123255 is about 1457.1393207240. The cubic root of 2123255 is about 128.5288786301.

Adding to 2123255 its reverse (5523212), we get a palindrome (7646467).

The spelling of 2123255 in words is "two million, one hundred twenty-three thousand, two hundred fifty-five".