2323709 has 4 divisors (see below), whose sum is σ = 2333916. Its totient is φ = 2313504.

The previous prime is 2323703. The next prime is 2323721. The reversal of 2323709 is 9073232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 372100 + 1951609 = 610^2 + 1397^2 .

It is a cyclic number.

It is not a de Polignac number, because 2323709 - 2⁴ = 2323693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4754 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (583479).

2^2323709 is an apocalyptic number.

It is an amenable number.

2323709 is a deficient number, since it is larger than the sum of its proper divisors (10207).

2323709 is an equidigital number, since it uses as much as digits as its factorization.

2323709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10206.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 2323709 is about 1524.3716738381. The cubic root of 2323709 is about 132.4526281349.

It can be divided in two parts, 23 and 23709, that added together give a palindrome (23732).

The spelling of 2323709 in words is "two million, three hundred twenty-three thousand, seven hundred nine".