23400500 has 48 divisors (see below), whose sum is σ = 54132624. Its totient is φ = 8806400.

The previous prime is 23400493. The next prime is 23400523. The reversal of 23400500 is 500432.

It can be written as a sum of positive squares in 8 ways, for example, as 913936 + 22486564 = 956^2 + 4742^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7124 + ... + 9876.

It is an arithmetic number, because the mean of its divisors is an integer number (1127763).

Almost surely, 2^23400500 is an apocalyptic number.

23400500 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 23400500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27066312).

23400500 is an abundant number, since it is smaller than the sum of its proper divisors (30732124).

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

23400500 is a wasteful number, since it uses less digits than its factorization.

23400500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 23400500 is about 4837.4063298425. The cubic root of 23400500 is about 286.0278878050.

Adding to 23400500 its reverse (500432), we get a palindrome (23900932).

The spelling of 23400500 in words is "twenty-three million, four hundred thousand, five hundred".