234318 has 24 divisors (see below), whose sum is σ = 545832. Its totient is φ = 66864.

The previous prime is 234317. The next prime is 234319. The reversal of 234318 is 813432.

It is a happy number.

234318 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (234317) and next prime (234319).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 234294 and 234303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105 + ... + 692.

It is an arithmetic number, because the mean of its divisors is an integer number (22743).

2²³⁴³¹⁸ is an apocalyptic number.

234318 is an abundant number, since it is smaller than the sum of its proper divisors (311514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234318 is a wasteful number, since it uses less digits than its factorization.

234318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 809 counting only the distinct ones).

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

The square root of 234318 is about 484.0640453494. The cubic root of 234318 is about 61.6503032632.

The spelling of 234318 in words is "two hundred thirty-four thousand, three hundred eighteen".