23103120144 has 80 divisors (see below), whose sum is σ = 64352131200. Its totient is φ = 7100018688.

The previous prime is 23103120121. The next prime is 23103120149. The reversal of 23103120144 is 44102130132.

It is a self number, because there is not a number n which added to its sum of digits gives 23103120144.

It is not an unprimeable number, because it can be changed into a prime (23103120149) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 501472 + ... + 545600.

It is an arithmetic number, because the mean of its divisors is an integer number (804401640).

Almost surely, 2^23103120144 is an apocalyptic number.

23103120144 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 23103120144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32176065600).

23103120144 is an abundant number, since it is smaller than the sum of its proper divisors (41249011056).

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

23103120144 is a wasteful number, since it uses less digits than its factorization.

23103120144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44992 (or 44986 counting only the distinct ones).

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

Adding to 23103120144 its reverse (44102130132), we get a palindrome (67205250276).

The spelling of 23103120144 in words is "twenty-three billion, one hundred three million, one hundred twenty thousand, one hundred forty-four".