238453 has 4 divisors (see below), whose sum is σ = 242080. Its totient is φ = 234828.

The previous prime is 238451. The next prime is 238463. The reversal of 238453 is 354832.

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 a cyclic number.

It is not a de Polignac number, because 238453 - 2¹ = 238451 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 (238451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713 + ... + 1846.

It is an arithmetic number, because the mean of its divisors is an integer number (60520).

2²³⁸⁴⁵³ is an apocalyptic number.

It is an amenable number.

238453 is a deficient number, since it is larger than the sum of its proper divisors (3627).

238453 is an equidigital number, since it uses as much as digits as its factorization.

238453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626.

The product of its digits is 2880, while the sum is 25.

The square root of 238453 is about 488.3164957279. The cubic root of 238453 is about 62.0108375089.

The spelling of 238453 in words is "two hundred thirty-eight thousand, four hundred fifty-three".