2300230021 has 2 divisors, whose sum is σ = 2300230022. Its totient is φ = 2300230020.

The previous prime is 2300230019. The next prime is 2300230027. The reversal of 2300230021 is 1200320032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1390544100 + 909685921 = 37290^2 + 30161^2 .

It is a cyclic number.

It is not a de Polignac number, because 2300230021 - 2¹ = 2300230019 is a prime.

Together with 2300230019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2300229983 and 2300230010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2300230027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150115010 + 1150115011.

It is an arithmetic number, because the mean of its divisors is an integer number (1150115011).

Almost surely, 2^2300230021 is an apocalyptic number.

It is an amenable number.

2300230021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2300230021 is an equidigital number, since it uses as much as digits as its factorization.

2300230021 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 13.

The square root of 2300230021 is about 47960.7133078731. The cubic root of 2300230021 is about 1320.0501245505.

Adding to 2300230021 its reverse (1200320032), we get a palindrome (3500550053).

The spelling of 2300230021 in words is "two billion, three hundred million, two hundred thirty thousand, twenty-one".