23688648 has 24 divisors (see below), whose sum is σ = 64156950. Its totient is φ = 7896192.

The previous prime is 23688629. The next prime is 23688671. The reversal of 23688648 is 84688632.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21734244 + 1954404 = 4662^2 + 1398^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×23688648² = 1122304088135808, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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 5 ways as a sum of consecutive naturals, for example, 164433 + ... + 164576.

Almost surely, 2^23688648 is an apocalyptic number.

It is an amenable number.

23688648 is an abundant number, since it is smaller than the sum of its proper divisors (40468302).

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

23688648 is a wasteful number, since it uses less digits than its factorization.

23688648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329021 (or 329014 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 23688648 is about 4867.0985196521. The cubic root of 23688648 is about 287.1971272954.

It can be divided in two parts, 23688 and 648, that added together give a square (24336 = 156²).

The spelling of 23688648 in words is "twenty-three million, six hundred eighty-eight thousand, six hundred forty-eight".