23384578880 has 112 divisors (see below), whose sum is σ = 60193763280. Its totient is φ = 8601796608.

The previous prime is 23384578859. The next prime is 23384578891. The reversal of 23384578880 is 8887548332.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5031916096 + 18352662784 = 70936^2 + 135472^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108592 + ... + 1129488.

It is an arithmetic number, because the mean of its divisors is an integer number (537444315).

Almost surely, 2^23384578880 is an apocalyptic number.

23384578880 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 23384578880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30096881640).

23384578880 is an abundant number, since it is smaller than the sum of its proper divisors (36809184400).

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

23384578880 is a wasteful number, since it uses less digits than its factorization.

23384578880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21196 (or 21186 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 23384578880 in words is "twenty-three billion, three hundred eighty-four million, five hundred seventy-eight thousand, eight hundred eighty".