23781247000 has 256 divisors, whose sum is σ = 67931136000. Its totient is φ = 7616448000.

The previous prime is 23781246989. The next prime is 23781247037. The reversal of 23781247000 is 74218732.

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, 6291111 + ... + 6294889.

It is an arithmetic number, because the mean of its divisors is an integer number (265356000).

Almost surely, 2^23781247000 is an apocalyptic number.

23781247000 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 23781247000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33965568000).

23781247000 is an abundant number, since it is smaller than the sum of its proper divisors (44149889000).

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

23781247000 is a wasteful number, since it uses less digits than its factorization.

23781247000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867 (or 3853 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 23781247000 in words is "twenty-three billion, seven hundred eighty-one million, two hundred forty-seven thousand".