23668477140 has 192 divisors, whose sum is σ = 84383244288. Its totient is φ = 4813440000.

The previous prime is 23668477121. The next prime is 23668477163. The reversal of 23668477140 is 4177486632.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23668477140.

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 63 ways as a sum of consecutive naturals, for example, 162640 + ... + 271640.

It is an arithmetic number, because the mean of its divisors is an integer number (439496064).

Almost surely, 2^23668477140 is an apocalyptic number.

23668477140 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 23668477140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42191622144).

23668477140 is an abundant number, since it is smaller than the sum of its proper divisors (60714767148).

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

23668477140 is a wasteful number, since it uses less digits than its factorization.

23668477140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109078 (or 109076 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 23668477140 in words is "twenty-three billion, six hundred sixty-eight million, four hundred seventy-seven thousand, one hundred forty".