2257123 has 8 divisors (see below), whose sum is σ = 2473200. Its totient is φ = 2042880.

The previous prime is 2257121. The next prime is 2257139. The reversal of 2257123 is 3217522.

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

It is a cyclic number.

It is not a de Polignac number, because 2257123 - 2¹ = 2257121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2257094 and 2257103.

It is not an unprimeable number, because it can be changed into a prime (2257121) 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, 4711 + ... + 5167.

It is an arithmetic number, because the mean of its divisors is an integer number (309150).

2^2257123 is an apocalyptic number.

2257123 is a deficient number, since it is larger than the sum of its proper divisors (216077).

2257123 is a wasteful number, since it uses less digits than its factorization.

2257123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917.

The product of its digits is 840, while the sum is 22.

The square root of 2257123 is about 1502.3724571490. The cubic root of 2257123 is about 131.1752021284.

The spelling of 2257123 in words is "two million, two hundred fifty-seven thousand, one hundred twenty-three".