23630747 has 4 divisors (see below), whose sum is σ = 27006576. Its totient is φ = 20254920.

The previous prime is 23630687. The next prime is 23630749. The reversal of 23630747 is 74703632.

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

It is not a de Polignac number, because 23630747 - 2¹⁴ = 23614363 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23630749) 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, 1687904 + ... + 1687917.

It is an arithmetic number, because the mean of its divisors is an integer number (6751644).

Almost surely, 2^23630747 is an apocalyptic number.

23630747 is a deficient number, since it is larger than the sum of its proper divisors (3375829).

23630747 is an equidigital number, since it uses as much as digits as its factorization.

23630747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375828.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 23630747 is about 4861.1466754255. The cubic root of 23630747 is about 286.9629424406.

The spelling of 23630747 in words is "twenty-three million, six hundred thirty thousand, seven hundred forty-seven".