232143404412 has 24 divisors (see below), whose sum is σ = 541683507456. Its totient is φ = 77378911408.

The previous prime is 232143404411. The next prime is 232143404419. The reversal of 232143404412 is 214404341232.

It is a self number, because there is not a number n which added to its sum of digits gives 232143404412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232143404411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188413 + ... + 706955.

It is an arithmetic number, because the mean of its divisors is an integer number (22570146144).

Almost surely, 2^232143404412 is an apocalyptic number.

It is an amenable number.

232143404412 is an abundant number, since it is smaller than the sum of its proper divisors (309540103044).

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

232143404412 is a wasteful number, since it uses less digits than its factorization.

232143404412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555857 (or 555855 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 232143404412 its reverse (214404341232), we get a palindrome (446547745644).

The spelling of 232143404412 in words is "two hundred thirty-two billion, one hundred forty-three million, four hundred four thousand, four hundred twelve".