2302300021 has 16 divisors (see below), whose sum is σ = 2787250176. Its totient is φ = 1856468736.

The previous prime is 2302299943. The next prime is 2302300027. The reversal of 2302300021 is 1200032032.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2302300021 - 2⁷ = 2302299893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2302299974 and 2302300010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302300027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469635 + ... + 474511.

It is an arithmetic number, because the mean of its divisors is an integer number (174203136).

Almost surely, 2^2302300021 is an apocalyptic number.

It is an amenable number.

2302300021 is a deficient number, since it is larger than the sum of its proper divisors (484950155).

2302300021 is a wasteful number, since it uses less digits than its factorization.

2302300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2302300021 is about 47982.2886177806. The cubic root of 2302300021 is about 1320.4459812653.

Adding to 2302300021 its reverse (1200032032), we get a palindrome (3502332053).

The spelling of 2302300021 in words is "two billion, three hundred two million, three hundred thousand, twenty-one".