1232143122432 has 76 divisors (see below), whose sum is σ = 3285710823296. Its totient is φ = 410714112000.

The previous prime is 1232143122401. The next prime is 1232143122467. The reversal of 1232143122432 is 2342213412321.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1232143122432.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3057 + ... + 1569807.

Almost surely, 2^{1232143122432} is an apocalyptic number.

1232143122432 is a gapful number since it is divisible by the number (12) 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 1232143122432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642855411648).

1232143122432 is an abundant number, since it is smaller than the sum of its proper divisors (2053567700864).

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

1232143122432 is an frugal number, since it uses more digits than its factorization.

1232143122432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566790 (or 1566756 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 1232143122432 its reverse (2342213412321), we get a palindrome (3574356534753).

The spelling of 1232143122432 in words is "one trillion, two hundred thirty-two billion, one hundred forty-three million, one hundred twenty-two thousand, four hundred thirty-two".