23715648 has 168 divisors, whose sum is σ = 78455520. Its totient is φ = 6773760.

The previous prime is 23715619. The next prime is 23715677. The reversal of 23715648 is 84651732.

23715648 is a `hidden beast` number, since 2 + 3 + 7 + 1 + 5 + 648 = 666.

It is an interprime number because it is at equal distance from previous prime (23715619) and next prime (23715677).

It is a super-3 number, since 3×23715648³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 120286 + ... + 120482.

Almost surely, 2^23715648 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 23715648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39227760).

23715648 is an abundant number, since it is smaller than the sum of its proper divisors (54739872).

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

23715648 is a wasteful number, since it uses less digits than its factorization.

23715648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 232 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 23715648 is about 4869.8714562091. The cubic root of 23715648 is about 287.3062003306.

The spelling of 23715648 in words is "twenty-three million, seven hundred fifteen thousand, six hundred forty-eight".