23688907 has 8 divisors (see below), whose sum is σ = 25888752. Its totient is φ = 21496800.

The previous prime is 23688901. The next prime is 23688941. The reversal of 23688907 is 70988632.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23688907 is a prime.

It is a super-2 number, since 2×23688907² = 1122328629709298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23688901) 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, 5857 + ... + 9037.

It is an arithmetic number, because the mean of its divisors is an integer number (3236094).

Almost surely, 2^23688907 is an apocalyptic number.

23688907 is a deficient number, since it is larger than the sum of its proper divisors (2199845).

23688907 is a wasteful number, since it uses less digits than its factorization.

23688907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 23688907 is about 4867.1251268074. The cubic root of 23688907 is about 287.1981739822.

The spelling of 23688907 in words is "twenty-three million, six hundred eighty-eight thousand, nine hundred seven".