210223404234 has 24 divisors (see below), whose sum is σ = 482277222180. Its totient is φ = 65952440448.

The previous prime is 210223404229. The next prime is 210223404269. The reversal of 210223404234 is 432404322012.

210223404234 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 23 + 404 + 234 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 201434904225 + 8788500009 = 448815^2 + 93747^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 210223404198 and 210223404207.

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 11 ways as a sum of consecutive naturals, for example, 343501989 + ... + 343502600.

Almost surely, 2^210223404234 is an apocalyptic number.

210223404234 is an abundant number, since it is smaller than the sum of its proper divisors (272053817946).

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

210223404234 is a wasteful number, since it uses less digits than its factorization.

210223404234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687004614 (or 687004611 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 210223404234 its reverse (432404322012), we get a palindrome (642627726246).

The spelling of 210223404234 in words is "two hundred ten billion, two hundred twenty-three million, four hundred four thousand, two hundred thirty-four".