457423 has 4 divisors (see below), whose sum is σ = 461968. Its totient is φ = 452880.

The previous prime is 457421. The next prime is 457433. The reversal of 457423 is 324754.

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

It is a cyclic number.

It is not a de Polignac number, because 457423 - 2¹ = 457421 is a prime.

It is a Duffinian number.

457423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457421) 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, 2118 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (115492).

2⁴⁵⁷⁴²³ is an apocalyptic number.

457423 is a deficient number, since it is larger than the sum of its proper divisors (4545).

457423 is a wasteful number, since it uses less digits than its factorization.

457423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544.

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

The square root of 457423 is about 676.3305404904. The cubic root of 457423 is about 77.0500040637.

The spelling of 457423 in words is "four hundred fifty-seven thousand, four hundred twenty-three".