23420448 has 48 divisors (see below), whose sum is σ = 68312160. Its totient is φ = 7806528.

The previous prime is 23420447. The next prime is 23420459. The reversal of 23420448 is 84402432.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23420443) 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 7 ways as a sum of consecutive naturals, for example, 12690 + ... + 14417.

It is an arithmetic number, because the mean of its divisors is an integer number (1423170).

Almost surely, 2^23420448 is an apocalyptic number.

It is an amenable number.

23420448 is an abundant number, since it is smaller than the sum of its proper divisors (44891712).

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

23420448 is a wasteful number, since it uses less digits than its factorization.

23420448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27126 (or 27112 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 23420448 is about 4839.4677393284. The cubic root of 23420448 is about 286.1091405386.

The spelling of 23420448 in words is "twenty-three million, four hundred twenty thousand, four hundred forty-eight".