1232143301144 has 96 divisors (see below), whose sum is σ = 2710224417600. Its totient is φ = 523597193280.

The previous prime is 1232143301141. The next prime is 1232143301153. The reversal of 1232143301144 is 4411033412321.

It is a super-2 number, since 2×1232143301144² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232143301141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44175827 + ... + 44203709.

It is an arithmetic number, because the mean of its divisors is an integer number (28231504350).

Almost surely, 2^{1232143301144} is an apocalyptic number.

1232143301144 is a gapful number since it is divisible by the number (14) 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 1232143301144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355112208800).

1232143301144 is an abundant number, since it is smaller than the sum of its proper divisors (1478081116456).

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

1232143301144 is a wasteful number, since it uses less digits than its factorization.

1232143301144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28853 (or 28842 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1232143301144 its reverse (4411033412321), we get a palindrome (5643176713465).

The spelling of 1232143301144 in words is "one trillion, two hundred thirty-two billion, one hundred forty-three million, three hundred one thousand, one hundred forty-four".