23144011320 has 32 divisors (see below), whose sum is σ = 69432034320. Its totient is φ = 6171736320.

The previous prime is 23144011307. The next prime is 23144011337. The reversal of 23144011320 is 2311044132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96433261 + ... + 96433500.

Almost surely, 2^23144011320 is an apocalyptic number.

23144011320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23144011320 is an abundant number, since it is smaller than the sum of its proper divisors (46288023000).

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

23144011320 is a wasteful number, since it uses less digits than its factorization.

23144011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192866775 (or 192866771 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23144011320 its reverse (2311044132), we get a palindrome (25455055452).

The spelling of 23144011320 in words is "twenty-three billion, one hundred forty-four million, eleven thousand, three hundred twenty".