234210005 has 4 divisors (see below), whose sum is σ = 281052012. Its totient is φ = 187368000.

The previous prime is 234210001. The next prime is 234210007. The reversal of 234210005 is 500012432.

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 23872996 + 210337009 = 4886^2 + 14503^2 .

It is not a de Polignac number, because 234210005 - 2² = 234210001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234210001) by changing a digit.

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, 23420996 + ... + 23421005.

It is an arithmetic number, because the mean of its divisors is an integer number (70263003).

Almost surely, 2^234210005 is an apocalyptic number.

It is an amenable number.

234210005 is a deficient number, since it is larger than the sum of its proper divisors (46842007).

234210005 is an equidigital number, since it uses as much as digits as its factorization.

234210005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46842006.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 234210005 is about 15303.9212295411. The cubic root of 234210005 is about 616.4083045615.

Adding to 234210005 its reverse (500012432), we get a palindrome (734222437).

The spelling of 234210005 in words is "two hundred thirty-four million, two hundred ten thousand, five".