23305400 has 48 divisors (see below), whose sum is σ = 57046200. Its totient is φ = 8830080.

The previous prime is 23305393. The next prime is 23305421. The reversal of 23305400 is 450332.

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, 734 + ... + 6866.

Almost surely, 2^23305400 is an apocalyptic number.

23305400 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 23305400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28523100).

23305400 is an abundant number, since it is smaller than the sum of its proper divisors (33740800).

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

23305400 is a wasteful number, since it uses less digits than its factorization.

23305400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168 (or 6159 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 23305400 is about 4827.5666748373. The cubic root of 23305400 is about 285.6398877719.

Adding to 23305400 its reverse (450332), we get a palindrome (23755732).

The spelling of 23305400 in words is "twenty-three million, three hundred five thousand, four hundred".