23151200 has 72 divisors (see below), whose sum is σ = 57918168. Its totient is φ = 9031680.

The previous prime is 23151197. The next prime is 23151239. The reversal of 23151200 is 215132.

It is a happy number.

It is a super-2 number, since 2×23151200² = 1071956122880000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34064 + ... + 34736.

It is an arithmetic number, because the mean of its divisors is an integer number (804419).

Almost surely, 2^23151200 is an apocalyptic number.

23151200 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 23151200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28959084).

23151200 is an abundant number, since it is smaller than the sum of its proper divisors (34766968).

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

23151200 is a wasteful number, since it uses less digits than its factorization.

23151200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 23151200 is about 4811.5693905419. The cubic root of 23151200 is about 285.0085151862.

Adding to 23151200 its reverse (215132), we get a palindrome (23366332).

The spelling of 23151200 in words is "twenty-three million, one hundred fifty-one thousand, two hundred".