23672171 has 4 divisors (see below), whose sum is σ = 23916312. Its totient is φ = 23428032.

The previous prime is 23672153. The next prime is 23672179. The reversal of 23672171 is 17127632.

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 23672171 - 2¹⁰ = 23671147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23672179) 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, 121925 + ... + 122118.

It is an arithmetic number, because the mean of its divisors is an integer number (5979078).

Almost surely, 2^23672171 is an apocalyptic number.

23672171 is a deficient number, since it is larger than the sum of its proper divisors (244141).

23672171 is an equidigital number, since it uses as much as digits as its factorization.

23672171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244140.

The product of its digits is 3528, while the sum is 29.

The square root of 23672171 is about 4865.4055329438. The cubic root of 23672171 is about 287.1305237383.

The spelling of 23672171 in words is "twenty-three million, six hundred seventy-two thousand, one hundred seventy-one".