23861362720 has 96 divisors (see below), whose sum is σ = 61146308160. Its totient is φ = 8746859520.

The previous prime is 23861362709. The next prime is 23861362727. The reversal of 23861362720 is 2726316832.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (23861362727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247855 + ... + 330385.

It is an arithmetic number, because the mean of its divisors is an integer number (636940710).

Almost surely, 2^23861362720 is an apocalyptic number.

23861362720 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 23861362720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30573154080).

23861362720 is an abundant number, since it is smaller than the sum of its proper divisors (37284945440).

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

23861362720 is a wasteful number, since it uses less digits than its factorization.

23861362720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82698 (or 82690 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 23861362720 in words is "twenty-three billion, eight hundred sixty-one million, three hundred sixty-two thousand, seven hundred twenty".