23604649 has 2 divisors, whose sum is σ = 23604650. Its totient is φ = 23604648.

The previous prime is 23604611. The next prime is 23604701. The reversal of 23604649 is 94640632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20115225 + 3489424 = 4485^2 + 1868^2 .

It is a cyclic number.

It is not a de Polignac number, because 23604649 - 2¹⁵ = 23571881 is a prime.

It is not a weakly prime, because it can be changed into another prime (23604349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11802324 + 11802325.

It is an arithmetic number, because the mean of its divisors is an integer number (11802325).

Almost surely, 2^23604649 is an apocalyptic number.

It is an amenable number.

23604649 is a deficient number, since it is larger than the sum of its proper divisors (1).

23604649 is an equidigital number, since it uses as much as digits as its factorization.

23604649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 23604649 is about 4858.4615877868. The cubic root of 23604649 is about 286.8572620800.

The spelling of 23604649 in words is "twenty-three million, six hundred four thousand, six hundred forty-nine".