23021120144 has 40 divisors (see below), whose sum is σ = 48734425440. Its totient is φ = 10447769600.

The previous prime is 23021120093. The next prime is 23021120147. The reversal of 23021120144 is 44102112032.

It is not an unprimeable number, because it can be changed into a prime (23021120147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10787 + ... + 214845.

It is an arithmetic number, because the mean of its divisors is an integer number (1218360636).

Almost surely, 2^23021120144 is an apocalyptic number.

It is an amenable number.

23021120144 is an abundant number, since it is smaller than the sum of its proper divisors (25713305296).

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

23021120144 is a wasteful number, since it uses less digits than its factorization.

23021120144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204719 (or 204713 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 23021120144 its reverse (44102112032), we get a palindrome (67123232176).

The spelling of 23021120144 in words is "twenty-three billion, twenty-one million, one hundred twenty thousand, one hundred forty-four".