23613947 has 8 divisors (see below), whose sum is σ = 27033600. Its totient is φ = 20205864.

The previous prime is 23613911. The next prime is 23613959. The reversal of 23613947 is 74931632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23613947 - 2⁸ = 23613691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23613977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2054 + ... + 7172.

It is an arithmetic number, because the mean of its divisors is an integer number (3379200).

Almost surely, 2^23613947 is an apocalyptic number.

23613947 is a deficient number, since it is larger than the sum of its proper divisors (3419653).

23613947 is an equidigital number, since it uses as much as digits as its factorization.

23613947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785.

The product of its digits is 27216, while the sum is 35.

The square root of 23613947 is about 4859.4183808353. The cubic root of 23613947 is about 286.8949220157.

The spelling of 23613947 in words is "twenty-three million, six hundred thirteen thousand, nine hundred forty-seven".