23630647 has 4 divisors (see below), whose sum is σ = 23729760. Its totient is φ = 23531536.

The previous prime is 23630639. The next prime is 23630671. The reversal of 23630647 is 74603632.

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

It is a cyclic number.

It is not a de Polignac number, because 23630647 - 2³ = 23630639 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 (23630687) 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 in 3 ways as a sum of consecutive naturals, for example, 49198 + ... + 49675.

It is an arithmetic number, because the mean of its divisors is an integer number (5932440).

Almost surely, 2^23630647 is an apocalyptic number.

23630647 is a deficient number, since it is larger than the sum of its proper divisors (99113).

23630647 is an equidigital number, since it uses as much as digits as its factorization.

23630647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99112.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 23630647 is about 4861.1363897755. The cubic root of 23630647 is about 286.9625376525.

The spelling of 23630647 in words is "twenty-three million, six hundred thirty thousand, six hundred forty-seven".