2321203312 has 20 divisors (see below), whose sum is σ = 4499785656. Its totient is φ = 1159968320.

The previous prime is 2321203301. The next prime is 2321203319. The reversal of 2321203312 is 2133021232.

It is a self number, because there is not a number n which added to its sum of digits gives 2321203312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321203319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8614 + ... + 68677.

Almost surely, 2^2321203312 is an apocalyptic number.

It is an amenable number.

2321203312 is a deficient number, since it is larger than the sum of its proper divisors (2178582344).

2321203312 is a wasteful number, since it uses less digits than its factorization.

2321203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79176 (or 79170 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2321203312 is about 48178.8678986960. The cubic root of 2321203312 is about 1324.0500250355.

Adding to 2321203312 its reverse (2133021232), we get a palindrome (4454224544).

The spelling of 2321203312 in words is "two billion, three hundred twenty-one million, two hundred three thousand, three hundred twelve".