23236560 has 120 divisors (see below), whose sum is σ = 79503840. Its totient is φ = 6080256.

The previous prime is 23236553. The next prime is 23236561. The reversal of 23236560 is 6563232.

23236560 is a `hidden beast` number, since 2 + 3 + 2 + 3 + 656 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23236561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42207 + ... + 42753.

It is an arithmetic number, because the mean of its divisors is an integer number (662532).

Almost surely, 2^23236560 is an apocalyptic number.

23236560 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 23236560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39751920).

23236560 is an abundant number, since it is smaller than the sum of its proper divisors (56267280).

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

23236560 is a wasteful number, since it uses less digits than its factorization.

23236560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 23236560 is about 4820.4315159537. The cubic root of 23236560 is about 285.3583672876.

Adding to 23236560 its reverse (6563232), we get a palindrome (29799792).

The spelling of 23236560 in words is "twenty-three million, two hundred thirty-six thousand, five hundred sixty".