23878871 has 4 divisors (see below), whose sum is σ = 23897544. Its totient is φ = 23860200.

The previous prime is 23878859. The next prime is 23878873. The reversal of 23878871 is 17887832.

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

It is a cyclic number.

It is not a de Polignac number, because 23878871 - 2¹⁸ = 23616727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23878873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7265 + ... + 10026.

It is an arithmetic number, because the mean of its divisors is an integer number (5974386).

Almost surely, 2^23878871 is an apocalyptic number.

23878871 is a deficient number, since it is larger than the sum of its proper divisors (18673).

23878871 is a wasteful number, since it uses less digits than its factorization.

23878871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18672.

The product of its digits is 150528, while the sum is 44.

The square root of 23878871 is about 4886.6011705479. The cubic root of 23878871 is about 287.9638224554.

The spelling of 23878871 in words is "twenty-three million, eight hundred seventy-eight thousand, eight hundred seventy-one".