234212231 has 4 divisors (see below), whose sum is σ = 255504264. Its totient is φ = 212920200.

The previous prime is 234212219. The next prime is 234212239. The reversal of 234212231 is 132212432.

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 234212231 - 2²⁶ = 167103367 is a prime.

It is a super-2 number, since 2×234212231² = 109710738299994722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234212239) 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, 10646000 + ... + 10646021.

It is an arithmetic number, because the mean of its divisors is an integer number (63876066).

Almost surely, 2^234212231 is an apocalyptic number.

234212231 is a deficient number, since it is larger than the sum of its proper divisors (21292033).

234212231 is a wasteful number, since it uses less digits than its factorization.

234212231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21292032.

The product of its digits is 576, while the sum is 20.

The square root of 234212231 is about 15303.9939558273. The cubic root of 234212231 is about 616.4102573965.

Adding to 234212231 its reverse (132212432), we get a palindrome (366424663).

It can be divided in two parts, 23421 and 2231, that added together give a palindrome (25652).

The spelling of 234212231 in words is "two hundred thirty-four million, two hundred twelve thousand, two hundred thirty-one".