23878961 has 8 divisors (see below), whose sum is σ = 24520320. Its totient is φ = 23243248.

The previous prime is 23878913. The next prime is 23878973. The reversal of 23878961 is 16987832.

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-23878961 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23878661) 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 7 ways as a sum of consecutive naturals, for example, 7970 + ... + 10548.

It is an arithmetic number, because the mean of its divisors is an integer number (3065040).

Almost surely, 2^23878961 is an apocalyptic number.

It is an amenable number.

23878961 is a deficient number, since it is larger than the sum of its proper divisors (641359).

23878961 is a wasteful number, since it uses less digits than its factorization.

23878961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823.

The product of its digits is 145152, while the sum is 44.

The square root of 23878961 is about 4886.6103793939. The cubic root of 23878961 is about 287.9641842357.

The spelling of 23878961 in words is "twenty-three million, eight hundred seventy-eight thousand, nine hundred sixty-one".