23688324 has 72 divisors (see below), whose sum is σ = 66961440. Its totient is φ = 6998400.

The previous prime is 23688311. The next prime is 23688347. The reversal of 23688324 is 42388632.

It is a super-2 number, since 2×23688324² = 1122273387857952, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15507 + ... + 16965.

It is an arithmetic number, because the mean of its divisors is an integer number (930020).

Almost surely, 2^23688324 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 23688324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33480720).

23688324 is an abundant number, since it is smaller than the sum of its proper divisors (43273116).

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

23688324 is a wasteful number, since it uses less digits than its factorization.

23688324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521 (or 1516 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 23688324 is about 4867.0652348207. The cubic root of 23688324 is about 287.1958179159.

The spelling of 23688324 in words is "twenty-three million, six hundred eighty-eight thousand, three hundred twenty-four".