23210314440 has 128 divisors (see below), whose sum is σ = 70919452800. Its totient is φ = 6075207680.

The previous prime is 23210314423. The next prime is 23210314441. The reversal of 23210314440 is 4441301232.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23210314440.

It is not an unprimeable number, because it can be changed into a prime (23210314441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5470720 + ... + 5474960.

It is an arithmetic number, because the mean of its divisors is an integer number (554058225).

Almost surely, 2^23210314440 is an apocalyptic number.

23210314440 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 23210314440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35459726400).

23210314440 is an abundant number, since it is smaller than the sum of its proper divisors (47709138360).

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

23210314440 is a wasteful number, since it uses less digits than its factorization.

23210314440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087 (or 5083 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23210314440 its reverse (4441301232), we get a palindrome (27651615672).

The spelling of 23210314440 in words is "twenty-three billion, two hundred ten million, three hundred fourteen thousand, four hundred forty".