23630609 has 2 divisors, whose sum is σ = 23630610. Its totient is φ = 23630608.

The previous prime is 23630603. The next prime is 23630639. The reversal of 23630609 is 90603632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17405584 + 6225025 = 4172^2 + 2495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23630609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23630603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11815304 + 11815305.

It is an arithmetic number, because the mean of its divisors is an integer number (11815305).

Almost surely, 2^23630609 is an apocalyptic number.

It is an amenable number.

23630609 is a deficient number, since it is larger than the sum of its proper divisors (1).

23630609 is an equidigital number, since it uses as much as digits as its factorization.

23630609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 23630609 is about 4861.1324812229. The cubic root of 23630609 is about 286.9623838327.

The spelling of 23630609 in words is "twenty-three million, six hundred thirty thousand, six hundred nine".