23868940 has 48 divisors (see below), whose sum is σ = 55077120. Its totient is φ = 8648640.

The previous prime is 23868931. The next prime is 23869031. The reversal of 23868940 is 4986832.

It is a junction number, because it is equal to n+sod(n) for n = 23868893 and 23868902.

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 15 ways as a sum of consecutive naturals, for example, 7375 + ... + 10105.

It is an arithmetic number, because the mean of its divisors is an integer number (1147440).

Almost surely, 2^23868940 is an apocalyptic number.

23868940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23868940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27538560).

23868940 is an abundant number, since it is smaller than the sum of its proper divisors (31208180).

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

23868940 is a wasteful number, since it uses less digits than its factorization.

23868940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 23868940 is about 4885.5849189222. The cubic root of 23868940 is about 287.9238964296.

The spelling of 23868940 in words is "twenty-three million, eight hundred sixty-eight thousand, nine hundred forty".