23271136 has 24 divisors (see below), whose sum is σ = 52360560. Its totient is φ = 9973248.

The previous prime is 23271133. The next prime is 23271139. The reversal of 23271136 is 63117232.

It is an interprime number because it is at equal distance from previous prime (23271133) and next prime (23271139).

It is a self number, because there is not a number n which added to its sum of digits gives 23271136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23271133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51721 + ... + 52168.

It is an arithmetic number, because the mean of its divisors is an integer number (2181690).

Almost surely, 2^23271136 is an apocalyptic number.

It is an amenable number.

23271136 is an abundant number, since it is smaller than the sum of its proper divisors (29089424).

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

23271136 is a wasteful number, since it uses less digits than its factorization.

23271136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103906 (or 103898 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 23271136 is about 4824.0165837194. The cubic root of 23271136 is about 285.4998348877.

Adding to 23271136 its reverse (63117232), we get a palindrome (86388368).

The spelling of 23271136 in words is "twenty-three million, two hundred seventy-one thousand, one hundred thirty-six".