23438880 has 144 divisors (see below), whose sum is σ = 82142424. Its totient is φ = 6082560.

The previous prime is 23438843. The next prime is 23438887. The reversal of 23438880 is 8883432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14653584 + 8785296 = 3828^2 + 2964^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (23438887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58842 + ... + 59238.

Almost surely, 2^23438880 is an apocalyptic number.

23438880 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 23438880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41071212).

23438880 is an abundant number, since it is smaller than the sum of its proper divisors (58703544).

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

23438880 is a wasteful number, since it uses less digits than its factorization.

23438880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 23438880 is about 4841.3717064485. The cubic root of 23438880 is about 286.1841772593.

The spelling of 23438880 in words is "twenty-three million, four hundred thirty-eight thousand, eight hundred eighty".