23167172 has 48 divisors (see below), whose sum is σ = 48572160. Its totient is φ = 9459072.

The previous prime is 23167171. The next prime is 23167181. The reversal of 23167172 is 27176132.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (23167171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83498 + ... + 83774.

It is an arithmetic number, because the mean of its divisors is an integer number (1011920).

Almost surely, 2^23167172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23167172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24286080).

23167172 is an abundant number, since it is smaller than the sum of its proper divisors (25404988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23167172 is a wasteful number, since it uses less digits than its factorization.

23167172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 418 counting only the distinct ones).

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

The square root of 23167172 is about 4813.2288538984. The cubic root of 23167172 is about 285.0740425248.

The spelling of 23167172 in words is "twenty-three million, one hundred sixty-seven thousand, one hundred seventy-two".