234021234 has 32 divisors (see below), whose sum is σ = 473578560. Its totient is φ = 77090112.

The previous prime is 234021223. The next prime is 234021247. The reversal of 234021234 is 432120432.

It is a self number, because there is not a number n which added to its sum of digits gives 234021234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230512 + ... + 231524.

It is an arithmetic number, because the mean of its divisors is an integer number (14799330).

Almost surely, 2^234021234 is an apocalyptic number.

234021234 is an abundant number, since it is smaller than the sum of its proper divisors (239557326).

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

234021234 is a wasteful number, since it uses less digits than its factorization.

234021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 234021234 is about 15297.7525800361. The cubic root of 234021234 is about 616.2426536709.

Adding to 234021234 its reverse (432120432), we get a palindrome (666141666).

The spelling of 234021234 in words is "two hundred thirty-four million, twenty-one thousand, two hundred thirty-four".