23205300 has 36 divisors (see below), whose sum is σ = 67141536. Its totient is φ = 6188000.

The previous prime is 23205293. The next prime is 23205319. The reversal of 23205300 is 350232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23205300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38376 + ... + 38975.

Almost surely, 2^23205300 is an apocalyptic number.

23205300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23205300 is an abundant number, since it is smaller than the sum of its proper divisors (43936236).

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

23205300 is a wasteful number, since it uses less digits than its factorization.

23205300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77368 (or 77361 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 23205300 is about 4817.1879764028. The cubic root of 23205300 is about 285.2303462481.

Adding to 23205300 its reverse (350232), we get a palindrome (23555532).

The spelling of 23205300 in words is "twenty-three million, two hundred five thousand, three hundred".