23144105240 has 64 divisors (see below), whose sum is σ = 53833835520. Its totient is φ = 8945712000.

The previous prime is 23144105239. The next prime is 23144105273. The reversal of 23144105240 is 4250144132.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 843335 + ... + 870345.

It is an arithmetic number, because the mean of its divisors is an integer number (841153680).

Almost surely, 2^23144105240 is an apocalyptic number.

23144105240 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 23144105240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26916917760).

23144105240 is an abundant number, since it is smaller than the sum of its proper divisors (30689730280).

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

23144105240 is a wasteful number, since it uses less digits than its factorization.

23144105240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27744 (or 27740 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 23144105240 its reverse (4250144132), we get a palindrome (27394249372).

The spelling of 23144105240 in words is "twenty-three billion, one hundred forty-four million, one hundred five thousand, two hundred forty".