23561200 has 120 divisors (see below), whose sum is σ = 63933408. Its totient is φ = 8279040.

The previous prime is 23561191. The next prime is 23561207. The reversal of 23561200 is 216532.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23561207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119502 + ... + 119698.

Almost surely, 2^23561200 is an apocalyptic number.

23561200 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 23561200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31966704).

23561200 is an abundant number, since it is smaller than the sum of its proper divisors (40372208).

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

23561200 is a wasteful number, since it uses less digits than its factorization.

23561200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 23561200 is about 4853.9880510772. The cubic root of 23561200 is about 286.6811482378.

Adding to 23561200 its reverse (216532), we get a palindrome (23777732).

The spelling of 23561200 in words is "twenty-three million, five hundred sixty-one thousand, two hundred".