23440300000 has 432 divisors, whose sum is σ = 66647765520. Its totient is φ = 8087040000.

The previous prime is 23440299947. The next prime is 23440300007. The reversal of 23440300000 is 304432.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440300007) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 321099964 + ... + 321100036.

It is an arithmetic number, because the mean of its divisors is an integer number (154277235).

Almost surely, 2^23440300000 is an apocalyptic number.

23440300000 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 23440300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33323882760).

23440300000 is an abundant number, since it is smaller than the sum of its proper divisors (43207465520).

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

23440300000 is an equidigital number, since it uses as much as digits as its factorization.

23440300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 23440300000 its reverse (304432), we get a palindrome (23440604432).

The spelling of 23440300000 in words is "twenty-three billion, four hundred forty million, three hundred thousand".