230457 has 4 divisors (see below), whose sum is σ = 307280. Its totient is φ = 153636.

The previous prime is 230453. The next prime is 230467. The reversal of 230457 is 754032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 230457 - 2² = 230453 is a prime.

It is a super-2 number, since 2×230457² = 106220857698, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230453) 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, 38407 + ... + 38412.

It is an arithmetic number, because the mean of its divisors is an integer number (76820).

2²³⁰⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

230457 is a deficient number, since it is larger than the sum of its proper divisors (76823).

230457 is an equidigital number, since it uses as much as digits as its factorization.

230457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76822.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 230457 is about 480.0593713282. The cubic root of 230457 is about 61.3098096883.

Adding to 230457 its reverse (754032), we get a palindrome (984489).

It can be divided in two parts, 2304 and 57, that multiplied together give a triangular number (131328 = T₅₁₂).

The spelling of 230457 in words is "two hundred thirty thousand, four hundred fifty-seven".