23224404320 has 96 divisors (see below), whose sum is σ = 59183822880. Its totient is φ = 8561295360.

The previous prime is 23224404319. The next prime is 23224404443. The reversal of 23224404320 is 2340442232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 23224404320.

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, 1324571 + ... + 1341989.

It is an arithmetic number, because the mean of its divisors is an integer number (616498155).

Almost surely, 2^23224404320 is an apocalyptic number.

23224404320 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 23224404320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29591911440).

23224404320 is an abundant number, since it is smaller than the sum of its proper divisors (35959418560).

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

23224404320 is a wasteful number, since it uses less digits than its factorization.

23224404320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18088 (or 18080 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 23224404320 its reverse (2340442232), we get a palindrome (25564846552).

The spelling of 23224404320 in words is "twenty-three billion, two hundred twenty-four million, four hundred four thousand, three hundred twenty".