234212345 has 4 divisors (see below), whose sum is σ = 281054820. Its totient is φ = 187369872.

The previous prime is 234212309. The next prime is 234212351. The reversal of 234212345 is 543212432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113827561 + 120384784 = 10669^2 + 10972^2 .

It is a cyclic number.

It is not a de Polignac number, because 234212345 - 2⁸ = 234212089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23421230 + ... + 23421239.

It is an arithmetic number, because the mean of its divisors is an integer number (70263705).

Almost surely, 2^234212345 is an apocalyptic number.

It is an amenable number.

234212345 is a deficient number, since it is larger than the sum of its proper divisors (46842475).

234212345 is an equidigital number, since it uses as much as digits as its factorization.

234212345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46842474.

The product of its digits is 5760, while the sum is 26.

The square root of 234212345 is about 15303.9976803448. The cubic root of 234212345 is about 616.4103574066.

Adding to 234212345 its reverse (543212432), we get a palindrome (777424777).

The spelling of 234212345 in words is "two hundred thirty-four million, two hundred twelve thousand, three hundred forty-five".