23238171 has 30 divisors (see below), whose sum is σ = 38172596. Its totient is φ = 14077800.

The previous prime is 23238169. The next prime is 23238191. The reversal of 23238171 is 17183232.

It is not a de Polignac number, because 23238171 - 2¹ = 23238169 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (23238191) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 8616 + ... + 10986.

Almost surely, 2^23238171 is an apocalyptic number.

23238171 is a deficient number, since it is larger than the sum of its proper divisors (14934425).

23238171 is a wasteful number, since it uses less digits than its factorization.

23238171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405 (or 2385 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 23238171 is about 4820.5986142802. The cubic root of 23238171 is about 285.3649618051.

It can be divided in two parts, 23238 and 171, that added together give a square (23409 = 153²).

The spelling of 23238171 in words is "twenty-three million, two hundred thirty-eight thousand, one hundred seventy-one".