23001312144 has 80 divisors (see below), whose sum is σ = 62573772800. Its totient is φ = 7260513408.

The previous prime is 23001312121. The next prime is 23001312149. The reversal of 23001312144 is 44121310032.

It is a self number, because there is not a number n which added to its sum of digits gives 23001312144.

It is not an unprimeable number, because it can be changed into a prime (23001312149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3264177 + ... + 3271215.

It is an arithmetic number, because the mean of its divisors is an integer number (782172160).

Almost surely, 2^23001312144 is an apocalyptic number.

23001312144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23001312144 is an abundant number, since it is smaller than the sum of its proper divisors (39572460656).

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

23001312144 is a wasteful number, since it uses less digits than its factorization.

23001312144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10652 (or 10646 counting only the distinct ones).

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

Adding to 23001312144 its reverse (44121310032), we get a palindrome (67122622176).

The spelling of 23001312144 in words is "twenty-three billion, one million, three hundred twelve thousand, one hundred forty-four".