23573144064 has 80 divisors (see below), whose sum is σ = 62846736480. Its totient is φ = 7851909120.

The previous prime is 23573144051. The next prime is 23573144071. The reversal of 23573144064 is 46044137532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408172 + ... + 2417940.

It is an arithmetic number, because the mean of its divisors is an integer number (785584206).

Almost surely, 2^23573144064 is an apocalyptic number.

23573144064 is a gapful number since it is divisible by the number (24) 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 23573144064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31423368240).

23573144064 is an abundant number, since it is smaller than the sum of its proper divisors (39273592416).

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

23573144064 is an equidigital number, since it uses as much as digits as its factorization.

23573144064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11361 (or 11345 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 23573144064 in words is "twenty-three billion, five hundred seventy-three million, one hundred forty-four thousand, sixty-four".