213234 has 16 divisors (see below), whose sum is σ = 487488. Its totient is φ = 60912.

The previous prime is 213229. The next prime is 213247. The reversal of 213234 is 432312.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497 + ... + 2580.

It is an arithmetic number, because the mean of its divisors is an integer number (30468).

2²¹³²³⁴ is an apocalyptic number.

213234 is an abundant number, since it is smaller than the sum of its proper divisors (274254).

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

213234 is a wasteful number, since it uses less digits than its factorization.

213234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089.

The product of its digits is 144, while the sum is 15.

The square root of 213234 is about 461.7726713438. The cubic root of 213234 is about 59.7427878295.

Adding to 213234 its reverse (432312), we get a palindrome (645546).

The spelling of 213234 in words is "two hundred thirteen thousand, two hundred thirty-four".