23132560 has 80 divisors (see below), whose sum is σ = 59496192. Its totient is φ = 8294400.

The previous prime is 23132521. The next prime is 23132561. The reversal of 23132560 is 6523132.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (23132561) 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 15 ways as a sum of consecutive naturals, for example, 85225 + ... + 85495.

Almost surely, 2^23132560 is an apocalyptic number.

23132560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23132560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29748096).

23132560 is an abundant number, since it is smaller than the sum of its proper divisors (36363632).

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

23132560 is a wasteful number, since it uses less digits than its factorization.

23132560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 23132560 is about 4809.6320025549. The cubic root of 23132560 is about 284.9320038873.

Adding to 23132560 its reverse (6523132), we get a palindrome (29655692).

The spelling of 23132560 in words is "twenty-three million, one hundred thirty-two thousand, five hundred sixty".