2257423 has 8 divisors (see below), whose sum is σ = 2594592. Its totient is φ = 1923936.

The previous prime is 2257403. The next prime is 2257439. The reversal of 2257423 is 3247522.

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

It is not a de Polignac number, because 2257423 - 2⁵ = 2257391 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁷ + 5⁵ + 7 + 4⁶ + 2¹⁹ + 3¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257403) 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, 561 + ... + 2197.

It is an arithmetic number, because the mean of its divisors is an integer number (324324).

2^2257423 is an apocalyptic number.

2257423 is a deficient number, since it is larger than the sum of its proper divisors (337169).

2257423 is a wasteful number, since it uses less digits than its factorization.

2257423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841.

The product of its digits is 3360, while the sum is 25.

The square root of 2257423 is about 1502.4722959176. The cubic root of 2257423 is about 131.1810134817.

Subtracting 2257423 from its reverse (3247522), we obtain a palindrome (990099).

The spelling of 2257423 in words is "two million, two hundred fifty-seven thousand, four hundred twenty-three".