2909323 has 2 divisors, whose sum is σ = 2909324. Its totient is φ = 2909322.

The previous prime is 2909311. The next prime is 2909353. The reversal of 2909323 is 3239092.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2909323 - 2⁹ = 2908811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2909291 and 2909300.

It is not a weakly prime, because it can be changed into another prime (2909353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1454661 + 1454662.

It is an arithmetic number, because the mean of its divisors is an integer number (1454662).

2^2909323 is an apocalyptic number.

2909323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2909323 is an equidigital number, since it uses as much as digits as its factorization.

2909323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 2909323 is about 1705.6737671665. The cubic root of 2909323 is about 142.7569673419.

The spelling of 2909323 in words is "two million, nine hundred nine thousand, three hundred twenty-three".