3243021623 has 2 divisors, whose sum is σ = 3243021624. Its totient is φ = 3243021622.

The previous prime is 3243021583. The next prime is 3243021637. The reversal of 3243021623 is 3261203423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3243021623 - 2²⁶ = 3175912759 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3243021592 and 3243021601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3243021923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621510811 + 1621510812.

It is an arithmetic number, because the mean of its divisors is an integer number (1621510812).

Almost surely, 2^3243021623 is an apocalyptic number.

3243021623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243021623 is an equidigital number, since it uses as much as digits as its factorization.

3243021623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 3243021623 is about 56947.5339501194. The cubic root of 3243021623 is about 1480.1870993983.

The spelling of 3243021623 in words is "three billion, two hundred forty-three million, twenty-one thousand, six hundred twenty-three".