230533212 has 96 divisors (see below), whose sum is σ = 668570112. Its totient is φ = 60201216.

The previous prime is 230533189. The next prime is 230533223. The reversal of 230533212 is 212335032.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115858 + ... + 117830.

It is an arithmetic number, because the mean of its divisors is an integer number (6964272).

Almost surely, 2^230533212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230533212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334285056).

230533212 is an abundant number, since it is smaller than the sum of its proper divisors (438036900).

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

230533212 is a wasteful number, since it uses less digits than its factorization.

230533212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 230533212 is about 15183.3201902614. The cubic root of 230533212 is about 613.1656731656.

Adding to 230533212 its reverse (212335032), we get a palindrome (442868244).

The spelling of 230533212 in words is "two hundred thirty million, five hundred thirty-three thousand, two hundred twelve".