233232323220 has 144 divisors (see below), whose sum is σ = 764090570880. Its totient is φ = 57245384448.

The previous prime is 233232323197. The next prime is 233232323221. The reversal of 233232323220 is 22323232332.

233232323220 is a `hidden beast` number, since 2 + 332 + 3 + 2 + 3 + 2 + 322 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233232323221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 668361 + ... + 955599.

It is an arithmetic number, because the mean of its divisors is an integer number (5306184520).

Almost surely, 2^233232323220 is an apocalyptic number.

233232323220 is a gapful number since it is divisible by the number (20) 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 233232323220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382045285440).

233232323220 is an abundant number, since it is smaller than the sum of its proper divisors (530858247660).

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

233232323220 is a wasteful number, since it uses less digits than its factorization.

233232323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287614 (or 287609 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 27.

Adding to 233232323220 its reverse (22323232332), we get a palindrome (255555555552).

The spelling of 233232323220 in words is "two hundred thirty-three billion, two hundred thirty-two million, three hundred twenty-three thousand, two hundred twenty".