23415648 has 48 divisors (see below), whose sum is σ = 61916400. Its totient is φ = 7748096.

The previous prime is 23415631. The next prime is 23415649. The reversal of 23415648 is 84651432.

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

It is a super-3 number, since 3×23415648³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23415649) 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, 13486 + ... + 15122.

It is an arithmetic number, because the mean of its divisors is an integer number (1289925).

Almost surely, 2^23415648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23415648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30958200).

23415648 is an abundant number, since it is smaller than the sum of its proper divisors (38500752).

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

23415648 is a wasteful number, since it uses less digits than its factorization.

23415648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799 (or 1791 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 23415648 is about 4838.9717916103. The cubic root of 23415648 is about 286.0895932652.

The spelling of 23415648 in words is "twenty-three million, four hundred fifteen thousand, six hundred forty-eight".