23323440000 has 320 divisors, whose sum is σ = 88482176640. Its totient is φ = 5330688000.

The previous prime is 23323439989. The next prime is 23323440001. The reversal of 23323440000 is 4432332.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23323440001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1673059 + ... + 1686941.

It is an arithmetic number, because the mean of its divisors is an integer number (276506802).

Almost surely, 2^23323440000 is an apocalyptic number.

23323440000 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 23323440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44241088320).

23323440000 is an abundant number, since it is smaller than the sum of its proper divisors (65158736640).

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

23323440000 is an equidigital number, since it uses as much as digits as its factorization.

23323440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13927 (or 13900 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 23323440000 its reverse (4432332), we get a palindrome (23327872332).

The spelling of 23323440000 in words is "twenty-three billion, three hundred twenty-three million, four hundred forty thousand".