23784225 has 12 divisors (see below), whose sum is σ = 39323376. Its totient is φ = 12684880.

The previous prime is 23784221. The next prime is 23784239. The reversal of 23784225 is 52248732.

It is not a de Polignac number, because 23784225 - 2² = 23784221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23784221) by changing a digit.

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, 158487 + ... + 158636.

It is an arithmetic number, because the mean of its divisors is an integer number (3276948).

Almost surely, 2^23784225 is an apocalyptic number.

23784225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23784225 is a deficient number, since it is larger than the sum of its proper divisors (15539151).

23784225 is a wasteful number, since it uses less digits than its factorization.

23784225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317136 (or 317131 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 23784225 is about 4876.9073191932. The cubic root of 23784225 is about 287.5828620639.

The spelling of 23784225 in words is "twenty-three million, seven hundred eighty-four thousand, two hundred twenty-five".