233203311012 has 96 divisors (see below), whose sum is σ = 643471073280. Its totient is φ = 64325986560.

The previous prime is 233203310971. The next prime is 233203311037. The reversal of 233203311012 is 210113302332.

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

It is a self number, because there is not a number n which added to its sum of digits gives 233203311012.

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, 984208 + ... + 1197944.

It is an arithmetic number, because the mean of its divisors is an integer number (6702823680).

Almost surely, 2^233203311012 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 233203311012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321735536640).

233203311012 is an abundant number, since it is smaller than the sum of its proper divisors (410267762268).

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

233203311012 is a wasteful number, since it uses less digits than its factorization.

233203311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214201 (or 214199 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 233203311012 its reverse (210113302332), we get a palindrome (443316613344).

The spelling of 233203311012 in words is "two hundred thirty-three billion, two hundred three million, three hundred eleven thousand, twelve".