23318323392 has 224 divisors, whose sum is σ = 76649836032. Its totient is φ = 6091923456.

The previous prime is 23318323361. The next prime is 23318323397. The reversal of 23318323392 is 29332381332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 23318323392.

It is not an unprimeable number, because it can be changed into a prime (23318323397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1863268 + ... + 1875740.

It is an arithmetic number, because the mean of its divisors is an integer number (342186768).

Almost surely, 2^23318323392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23318323392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38324918016).

23318323392 is an abundant number, since it is smaller than the sum of its proper divisors (53331512640).

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

23318323392 is a wasteful number, since it uses less digits than its factorization.

23318323392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12615 (or 12605 counting only the distinct ones).

The product of its digits is 139968, while the sum is 39.

The spelling of 23318323392 in words is "twenty-three billion, three hundred eighteen million, three hundred twenty-three thousand, three hundred ninety-two".