234412345 has 4 divisors (see below), whose sum is σ = 281294820. Its totient is φ = 187529872.

The previous prime is 234412331. The next prime is 234412357. The reversal of 234412345 is 543214432.

It is a happy number.

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 168169024 + 66243321 = 12968^2 + 8139^2 .

It is a cyclic number.

It is not a de Polignac number, because 234412345 - 2¹³ = 234404153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23441230 + ... + 23441239.

It is an arithmetic number, because the mean of its divisors is an integer number (70323705).

Almost surely, 2^234412345 is an apocalyptic number.

It is an amenable number.

234412345 is a deficient number, since it is larger than the sum of its proper divisors (46882475).

234412345 is an equidigital number, since it uses as much as digits as its factorization.

234412345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46882474.

The product of its digits is 11520, while the sum is 28.

The square root of 234412345 is about 15310.5305264057. The cubic root of 234412345 is about 616.5857637555.

Adding to 234412345 its reverse (543214432), we get a palindrome (777626777).

The spelling of 234412345 in words is "two hundred thirty-four million, four hundred twelve thousand, three hundred forty-five".