2323021 has 2 divisors, whose sum is σ = 2323022. Its totient is φ = 2323020.

The previous prime is 2323003. The next prime is 2323031. The reversal of 2323021 is 1203232.

It is a happy number.

2323021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1946025 + 376996 = 1395^2 + 614^2 .

It is a cyclic number.

It is not a de Polignac number, because 2323021 - 2¹⁷ = 2191949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2322992 and 2323010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2323001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161510 + 1161511.

It is an arithmetic number, because the mean of its divisors is an integer number (1161511).

2^2323021 is an apocalyptic number.

It is an amenable number.

2323021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2323021 is an equidigital number, since it uses as much as digits as its factorization.

2323021 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2323021 is about 1524.1459903828. The cubic root of 2323021 is about 132.4395547246.

Adding to 2323021 its reverse (1203232), we get a palindrome (3526253).

The spelling of 2323021 in words is "two million, three hundred twenty-three thousand, twenty-one".