23980803840 has 1080 divisors, whose sum is σ = 105458994480. Its totient is φ = 5158895616.

The previous prime is 23980803779. The next prime is 23980803853. The reversal of 23980803840 is 4830808932.

It is a tau number, because it is divible by the number of its divisors (1080).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1410635512 + ... + 1410635528.

Almost surely, 2^23980803840 is an apocalyptic number.

23980803840 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 23980803840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52729497240).

23980803840 is an abundant number, since it is smaller than the sum of its proper divisors (81478190640).

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

23980803840 is an frugal number, since it uses more digits than its factorization.

23980803840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 23980803840 in words is "twenty-three billion, nine hundred eighty million, eight hundred three thousand, eight hundred forty".