23163040320 has 224 divisors, whose sum is σ = 84995308800. Its totient is φ = 5234786304.

The previous prime is 23163040309. The next prime is 23163040321. The reversal of 23163040320 is 2304036132.

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 (24).

It is not an unprimeable number, because it can be changed into a prime (23163040321) 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, 578716 + ... + 617444.

Almost surely, 2^23163040320 is an apocalyptic number.

23163040320 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 23163040320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42497654400).

23163040320 is an abundant number, since it is smaller than the sum of its proper divisors (61832268480).

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

23163040320 is a wasteful number, since it uses less digits than its factorization.

23163040320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38845 (or 38835 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 23163040320 its reverse (2304036132), we get a palindrome (25467076452).

The spelling of 23163040320 in words is "twenty-three billion, one hundred sixty-three million, forty thousand, three hundred twenty".