23813107840 has 128 divisors (see below), whose sum is σ = 58091774400. Its totient is φ = 9332133888.

The previous prime is 23813107807. The next prime is 23813107847. The reversal of 23813107840 is 4870131832.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 23813107840.

It is not an unprimeable number, because it can be changed into a prime (23813107847) 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, 8445951 + ... + 8448769.

Almost surely, 2^23813107840 is an apocalyptic number.

23813107840 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 23813107840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29045887200).

23813107840 is an abundant number, since it is smaller than the sum of its proper divisors (34278666560).

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

23813107840 is a wasteful number, since it uses less digits than its factorization.

23813107840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102 (or 3090 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 23813107840 in words is "twenty-three billion, eight hundred thirteen million, one hundred seven thousand, eight hundred forty".