23271150 has 96 divisors (see below), whose sum is σ = 67852800. Its totient is φ = 5166720.

The previous prime is 23271139. The next prime is 23271167. The reversal of 23271150 is 5117232.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38551 + ... + 39149.

It is an arithmetic number, because the mean of its divisors is an integer number (706800).

Almost surely, 2^23271150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23271150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33926400).

23271150 is an abundant number, since it is smaller than the sum of its proper divisors (44581650).

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

23271150 is a wasteful number, since it uses less digits than its factorization.

23271150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 23271150 is about 4824.0180347922. The cubic root of 23271150 is about 285.4998921403.

Adding to 23271150 its reverse (5117232), we get a palindrome (28388382).

The spelling of 23271150 in words is "twenty-three million, two hundred seventy-one thousand, one hundred fifty".