23940171 has 32 divisors (see below), whose sum is σ = 38976000. Its totient is φ = 14455584.

The previous prime is 23940149. The next prime is 23940179. The reversal of 23940171 is 17104932.

It is not a de Polignac number, because 23940171 - 2⁵ = 23940139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23940179) 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 31 ways as a sum of consecutive naturals, for example, 10785 + ... + 12813.

It is an arithmetic number, because the mean of its divisors is an integer number (1218000).

Almost surely, 2^23940171 is an apocalyptic number.

23940171 is a deficient number, since it is larger than the sum of its proper divisors (15035829).

23940171 is a wasteful number, since it uses less digits than its factorization.

23940171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 23940171 is about 4892.8694035300. The cubic root of 23940171 is about 288.2100247531.

The spelling of 23940171 in words is "twenty-three million, nine hundred forty thousand, one hundred seventy-one".