23218048 has 32 divisors (see below), whose sum is σ = 52864560. Its totient is φ = 9950208.

The previous prime is 23218043. The next prime is 23218049. The reversal of 23218048 is 84081232.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23218043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12061 + ... + 13852.

Almost surely, 2^23218048 is an apocalyptic number.

23218048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23218048 is an abundant number, since it is smaller than the sum of its proper divisors (29646512).

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

23218048 is an equidigital number, since it uses as much as digits as its factorization.

23218048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25934 (or 25922 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 23218048 is about 4818.5109733195. The cubic root of 23218048 is about 285.2825678069.

The spelling of 23218048 in words is "twenty-three million, two hundred eighteen thousand, forty-eight".