233013330 has 72 divisors (see below), whose sum is σ = 665948556. Its totient is φ = 56485440.

The previous prime is 233013323. The next prime is 233013343. The reversal of 233013330 is 33310332.

233013330 is a `hidden beast` number, since 2 + 330 + 1 + 3 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 217592001 + 15421329 = 14751^2 + 3927^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 192 + ... + 21588.

Almost surely, 2^233013330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233013330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332974278).

233013330 is an abundant number, since it is smaller than the sum of its proper divisors (432935226).

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

233013330 is a wasteful number, since it uses less digits than its factorization.

233013330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21432 (or 21418 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 233013330 is about 15264.7741548966. The cubic root of 233013330 is about 615.3566838324.

Adding to 233013330 its reverse (33310332), we get a palindrome (266323662).

The spelling of 233013330 in words is "two hundred thirty-three million, thirteen thousand, three hundred thirty".