23031020144 has 40 divisors (see below), whose sum is σ = 48687888240. Its totient is φ = 10466777600.

The previous prime is 23031020141. The next prime is 23031020149. The reversal of 23031020144 is 44102013032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031020141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1637012 + ... + 1651020.

It is an arithmetic number, because the mean of its divisors is an integer number (1217197206).

Almost surely, 2^23031020144 is an apocalyptic number.

It is an amenable number.

23031020144 is an abundant number, since it is smaller than the sum of its proper divisors (25656868096).

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

23031020144 is a wasteful number, since it uses less digits than its factorization.

23031020144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23369 (or 23363 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23031020144 its reverse (44102013032), we get a palindrome (67133033176).

The spelling of 23031020144 in words is "twenty-three billion, thirty-one million, twenty thousand, one hundred forty-four".