234523 has 4 divisors (see below), whose sum is σ = 242640. Its totient is φ = 226408.

The previous prime is 234511. The next prime is 234527. The reversal of 234523 is 325432.

234523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 234523 - 2¹⁷ = 103451 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 3³ + 5 + 4⁷ + 2¹⁵ + 3¹¹ .

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234523.

It is not an unprimeable number, because it can be changed into a prime (234527) 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, 4015 + ... + 4072.

It is an arithmetic number, because the mean of its divisors is an integer number (60660).

2²³⁴⁵²³ is an apocalyptic number.

234523 is a deficient number, since it is larger than the sum of its proper divisors (8117).

234523 is an equidigital number, since it uses as much as digits as its factorization.

234523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8116.

The product of its digits is 720, while the sum is 19.

The square root of 234523 is about 484.2757478958. The cubic root of 234523 is about 61.6682768835.

Adding to 234523 its reverse (325432), we get a palindrome (559955).

Subtracting 234523 from its reverse (325432), we obtain a palindrome (90909).

It can be divided in two parts, 2345 and 23, that multiplied together give a palindrome (53935).

The spelling of 234523 in words is "two hundred thirty-four thousand, five hundred twenty-three".