23673709 has 2 divisors, whose sum is σ = 23673710. Its totient is φ = 23673708.

The previous prime is 23673703. The next prime is 23673751. The reversal of 23673709 is 90737632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12638025 + 11035684 = 3555^2 + 3322^2 .

It is a cyclic number.

It is not a de Polignac number, because 23673709 - 2⁷ = 23673581 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23673703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11836854 + 11836855.

It is an arithmetic number, because the mean of its divisors is an integer number (11836855).

Almost surely, 2^23673709 is an apocalyptic number.

It is an amenable number.

23673709 is a deficient number, since it is larger than the sum of its proper divisors (1).

23673709 is an equidigital number, since it uses as much as digits as its factorization.

23673709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 23673709 is about 4865.5635850331. The cubic root of 23673709 is about 287.1367419707.

The spelling of 23673709 in words is "twenty-three million, six hundred seventy-three thousand, seven hundred nine".