23171072 has 26 divisors (see below), whose sum is σ = 46344678. Its totient is φ = 11583488.

The previous prime is 23171059. The next prime is 23171131. The reversal of 23171072 is 27017132.

It can be written as a sum of positive squares in only one way, i.e., 15241216 + 7929856 = 3904^2 + 2816^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268 + ... + 6924.

Almost surely, 2^23171072 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 23171072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23172339).

23171072 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23171072 is an frugal number, since it uses more digits than its factorization.

23171072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681 (or 5659 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 23171072 is about 4813.6339702973. The cubic root of 23171072 is about 285.0900382390.

The spelling of 23171072 in words is "twenty-three million, one hundred seventy-one thousand, seventy-two".