233215230 has 64 divisors (see below), whose sum is σ = 575486208. Its totient is φ = 60453120.

The previous prime is 233215219. The next prime is 233215271. The reversal of 233215230 is 32512332.

It is a junction number, because it is equal to n+sod(n) for n = 233215197 and 233215206.

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, 447370 + ... + 447890.

It is an arithmetic number, because the mean of its divisors is an integer number (8991972).

Almost surely, 2^233215230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233215230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287743104).

233215230 is an abundant number, since it is smaller than the sum of its proper divisors (342270978).

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

233215230 is a wasteful number, since it uses less digits than its factorization.

233215230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

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

The square root of 233215230 is about 15271.3859881806. The cubic root of 233215230 is about 615.5343627203.

Adding to 233215230 its reverse (32512332), we get a palindrome (265727562).

The spelling of 233215230 in words is "two hundred thirty-three million, two hundred fifteen thousand, two hundred thirty".