234813 has 8 divisors (see below), whose sum is σ = 324000. Its totient is φ = 151088.

The previous prime is 234811. The next prime is 234833. The reversal of 234813 is 318432.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 234813 - 2¹ = 234811 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 234813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234811) 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 7 ways as a sum of consecutive naturals, for example, 1263 + ... + 1436.

It is an arithmetic number, because the mean of its divisors is an integer number (40500).

2²³⁴⁸¹³ is an apocalyptic number.

It is an amenable number.

234813 is a deficient number, since it is larger than the sum of its proper divisors (89187).

234813 is a wasteful number, since it uses less digits than its factorization.

234813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731.

The product of its digits is 576, while the sum is 21.

The square root of 234813 is about 484.5750715833. The cubic root of 234813 is about 61.6936851007.

The spelling of 234813 in words is "two hundred thirty-four thousand, eight hundred thirteen".