23146871 has 4 divisors (see below), whose sum is σ = 25251144. Its totient is φ = 21042600.

The previous prime is 23146831. The next prime is 23146927. The reversal of 23146871 is 17864132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23146871 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 (23146811) 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 3 ways as a sum of consecutive naturals, for example, 1052120 + ... + 1052141.

It is an arithmetic number, because the mean of its divisors is an integer number (6312786).

Almost surely, 2^23146871 is an apocalyptic number.

23146871 is a deficient number, since it is larger than the sum of its proper divisors (2104273).

23146871 is a wasteful number, since it uses less digits than its factorization.

23146871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104272.

The product of its digits is 8064, while the sum is 32.

The square root of 23146871 is about 4811.1195162872. The cubic root of 23146871 is about 284.9907496741.

The spelling of 23146871 in words is "twenty-three million, one hundred forty-six thousand, eight hundred seventy-one".