2300321021 has 2 divisors, whose sum is σ = 2300321022. Its totient is φ = 2300321020.

The previous prime is 2300321003. The next prime is 2300321063. The reversal of 2300321021 is 1201230032.

It is a happy number.

2300321021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1596002500 + 704318521 = 39950^2 + 26539^2 .

It is a cyclic number.

It is not a de Polignac number, because 2300321021 - 2²² = 2296126717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2300320987 and 2300321005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2300321081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150160510 + 1150160511.

It is an arithmetic number, because the mean of its divisors is an integer number (1150160511).

Almost surely, 2^2300321021 is an apocalyptic number.

It is an amenable number.

2300321021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2300321021 is an equidigital number, since it uses as much as digits as its factorization.

2300321021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2300321021 is about 47961.6619916366. The cubic root of 2300321021 is about 1320.0675319368.

Adding to 2300321021 its reverse (1201230032), we get a palindrome (3501551053).

The spelling of 2300321021 in words is "two billion, three hundred million, three hundred twenty-one thousand, twenty-one".