23878717 has 8 divisors (see below), whose sum is σ = 24504480. Its totient is φ = 23256240.

The previous prime is 23878703. The next prime is 23878721. The reversal of 23878717 is 71787832.

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

It is a cyclic number.

It is not a de Polignac number, because 23878717 - 2¹¹ = 23876669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23878747) 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, 21342 + ... + 22432.

It is an arithmetic number, because the mean of its divisors is an integer number (3063060).

Almost surely, 2^23878717 is an apocalyptic number.

It is an amenable number.

23878717 is a deficient number, since it is larger than the sum of its proper divisors (625763).

23878717 is a wasteful number, since it uses less digits than its factorization.

23878717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its digits is 131712, while the sum is 43.

The square root of 23878717 is about 4886.5854131489. The cubic root of 23878717 is about 287.9632034071.

The spelling of 23878717 in words is "twenty-three million, eight hundred seventy-eight thousand, seven hundred seventeen".