23324400 has 360 divisors, whose sum is σ = 95946240. Its totient is φ = 5184000.

The previous prime is 23324383. The next prime is 23324401. The reversal of 23324400 is 442332.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23324401) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 752385 + ... + 752415.

Almost surely, 2^23324400 is an apocalyptic number.

23324400 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 23324400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47973120).

23324400 is an abundant number, since it is smaller than the sum of its proper divisors (72621840).

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

23324400 is a wasteful number, since it uses less digits than its factorization.

23324400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 23324400 is about 4829.5341390242. The cubic root of 23324400 is about 285.7174904402.

Adding to 23324400 its reverse (442332), we get a palindrome (23766732).

It can be divided in two parts, 23 and 324400, that added together give a palindrome (324423).

The spelling of 23324400 in words is "twenty-three million, three hundred twenty-four thousand, four hundred".