1232143203243 has 8 divisors (see below), whose sum is σ = 1642906835856. Its totient is φ = 821404186400.

The previous prime is 1232143203223. The next prime is 1232143203253. The reversal of 1232143203243 is 3423023412321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1232143203243 - 2⁸ = 1232143202987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232143203243.

It is not an unprimeable number, because it can be changed into a prime (1232143203223) 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, 6036828 + ... + 6237593.

It is an arithmetic number, because the mean of its divisors is an integer number (205363354482).

Almost surely, 2^{1232143203243} is an apocalyptic number.

1232143203243 is a deficient number, since it is larger than the sum of its proper divisors (410763632613).

1232143203243 is a wasteful number, since it uses less digits than its factorization.

1232143203243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12307885.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1232143203243 its reverse (3423023412321), we get a palindrome (4655166615564).

The spelling of 1232143203243 in words is "one trillion, two hundred thirty-two billion, one hundred forty-three million, two hundred three thousand, two hundred forty-three".