23391200 has 72 divisors (see below), whose sum is σ = 65277072. Its totient is φ = 8017920.

The previous prime is 23391191. The next prime is 23391211. The reversal of 23391200 is 219332.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3512 + ... + 7688.

It is an arithmetic number, because the mean of its divisors is an integer number (906626).

Almost surely, 2^23391200 is an apocalyptic number.

23391200 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 23391200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32638536).

23391200 is an abundant number, since it is smaller than the sum of its proper divisors (41885872).

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

23391200 is a wasteful number, since it uses less digits than its factorization.

23391200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204 (or 4191 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 23391200 is about 4836.4449753926. Note that the first 3 decimals coincide. The cubic root of 23391200 is about 285.9899910103.

The spelling of 23391200 in words is "twenty-three million, three hundred ninety-one thousand, two hundred".