234521232 has 120 divisors (see below), whose sum is σ = 672873600. Its totient is φ = 70329600.

The previous prime is 234521227. The next prime is 234521233. The reversal of 234521232 is 232125432.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (234521233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 865257 + ... + 865527.

It is an arithmetic number, because the mean of its divisors is an integer number (5607280).

Almost surely, 2^234521232 is an apocalyptic number.

234521232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234521232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336436800).

234521232 is an abundant number, since it is smaller than the sum of its proper divisors (438352368).

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

234521232 is a wasteful number, since it uses less digits than its factorization.

234521232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 436 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 234521232 is about 15314.0860647967. The cubic root of 234521232 is about 616.6812191680.

Adding to 234521232 its reverse (232125432), we get a palindrome (466646664).

The spelling of 234521232 in words is "two hundred thirty-four million, five hundred twenty-one thousand, two hundred thirty-two".