23738609 has 2 divisors, whose sum is σ = 23738610. Its totient is φ = 23738608.

The previous prime is 23738597. The next prime is 23738621. The reversal of 23738609 is 90683732.

It is a balanced prime because it is at equal distance from previous prime (23738597) and next prime (23738621).

It can be written as a sum of positive squares in only one way, i.e., 23309584 + 429025 = 4828^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 23738609 - 2⁴ = 23738593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23738629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11869304 + 11869305.

It is an arithmetic number, because the mean of its divisors is an integer number (11869305).

Almost surely, 2^23738609 is an apocalyptic number.

It is an amenable number.

23738609 is a deficient number, since it is larger than the sum of its proper divisors (1).

23738609 is an equidigital number, since it uses as much as digits as its factorization.

23738609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 23738609 is about 4872.2283402977. The cubic root of 23738609 is about 287.3988917305.

The spelling of 23738609 in words is "twenty-three million, seven hundred thirty-eight thousand, six hundred nine".