23015871 has 12 divisors (see below), whose sum is σ = 33287280. Its totient is φ = 15324480.

The previous prime is 23015851. The next prime is 23015899. The reversal of 23015871 is 17851032.

It is not a de Polignac number, because 23015871 - 2¹³ = 23007679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23015851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11310 + ... + 13188.

It is an arithmetic number, because the mean of its divisors is an integer number (2773940).

Almost surely, 2^23015871 is an apocalyptic number.

23015871 is a deficient number, since it is larger than the sum of its proper divisors (10271409).

23015871 is a wasteful number, since it uses less digits than its factorization.

23015871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246 (or 3243 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 23015871 is about 4797.4859040960. The cubic root of 23015871 is about 284.4520960071.

The spelling of 23015871 in words is "twenty-three million, fifteen thousand, eight hundred seventy-one".