23544228 has 48 divisors (see below), whose sum is σ = 56306880. Its totient is φ = 7655424.

The previous prime is 23544223. The next prime is 23544229. The reversal of 23544228 is 82244532.

It is a junction number, because it is equal to n+sod(n) for n = 23544195 and 23544204.

It is not an unprimeable number, because it can be changed into a prime (23544223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 131443 + ... + 131621.

It is an arithmetic number, because the mean of its divisors is an integer number (1173060).

Almost surely, 2^23544228 is an apocalyptic number.

It is an amenable number.

23544228 is an abundant number, since it is smaller than the sum of its proper divisors (32762652).

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

23544228 is a wasteful number, since it uses less digits than its factorization.

23544228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 394 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 23544228 is about 4852.2394829604. The cubic root of 23544228 is about 286.6122960402.

The spelling of 23544228 in words is "twenty-three million, five hundred forty-four thousand, two hundred twenty-eight".