23031210144 has 96 divisors (see below), whose sum is σ = 60941583360. Its totient is φ = 7615786752.

The previous prime is 23031210131. The next prime is 23031210197. The reversal of 23031210144 is 44101213032.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 23031210144.

It is an unprimeable number.

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, 6491379 + ... + 6494925.

It is an arithmetic number, because the mean of its divisors is an integer number (634808160).

Almost surely, 2^23031210144 is an apocalyptic number.

23031210144 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 23031210144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30470791680).

23031210144 is an abundant number, since it is smaller than the sum of its proper divisors (37910373216).

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

23031210144 is a wasteful number, since it uses less digits than its factorization.

23031210144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082 (or 4074 counting only the distinct ones).

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

Adding to 23031210144 its reverse (44101213032), we get a palindrome (67132423176).

The spelling of 23031210144 in words is "twenty-three billion, thirty-one million, two hundred ten thousand, one hundred forty-four".