23872971 has 16 divisors (see below), whose sum is σ = 32768384. Its totient is φ = 15453504.

The previous prime is 23872951. The next prime is 23872991. The reversal of 23872971 is 17927832.

It is an interprime number because it is at equal distance from previous prime (23872951) and next prime (23872991).

It is not a de Polignac number, because 23872971 - 2⁶ = 23872907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23872951) 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 15 ways as a sum of consecutive naturals, for example, 13860 + ... + 15486.

It is an arithmetic number, because the mean of its divisors is an integer number (2048024).

Almost surely, 2^23872971 is an apocalyptic number.

23872971 is a deficient number, since it is larger than the sum of its proper divisors (8895413).

23872971 is a wasteful number, since it uses less digits than its factorization.

23872971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770.

The product of its digits is 42336, while the sum is 39.

The square root of 23872971 is about 4885.9974416694. The cubic root of 23872971 is about 287.9401037671.

The spelling of 23872971 in words is "twenty-three million, eight hundred seventy-two thousand, nine hundred seventy-one".