2323126021 has 2 divisors, whose sum is σ = 2323126022. Its totient is φ = 2323126020.

The previous prime is 2323126009. The next prime is 2323126031. The reversal of 2323126021 is 1206213232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1885730625 + 437395396 = 43425^2 + 20914^2 .

It is a cyclic number.

It is not a de Polignac number, because 2323126021 - 2⁵ = 2323125989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2323125983 and 2323126001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2323126031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161563010 + 1161563011.

It is an arithmetic number, because the mean of its divisors is an integer number (1161563011).

Almost surely, 2^2323126021 is an apocalyptic number.

It is an amenable number.

2323126021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2323126021 is an equidigital number, since it uses as much as digits as its factorization.

2323126021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2323126021 is about 48198.8176307262. The cubic root of 2323126021 is about 1324.4155050582.

Adding to 2323126021 its reverse (1206213232), we get a palindrome (3529339253).

The spelling of 2323126021 in words is "two billion, three hundred twenty-three million, one hundred twenty-six thousand, twenty-one".