12303233443 has 4 divisors (see below), whose sum is σ = 12305245648. Its totient is φ = 12301221240.

The previous prime is 12303233359. The next prime is 12303233461. The reversal of 12303233443 is 34433230321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12303233443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12303233473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996903 + ... + 1009168.

It is an arithmetic number, because the mean of its divisors is an integer number (3076311412).

Almost surely, 2^12303233443 is an apocalyptic number.

12303233443 is a deficient number, since it is larger than the sum of its proper divisors (2012205).

12303233443 is an equidigital number, since it uses as much as digits as its factorization.

12303233443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012204.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 12303233443 its reverse (34433230321), we get a palindrome (46736463764).

The spelling of 12303233443 in words is "twelve billion, three hundred three million, two hundred thirty-three thousand, four hundred forty-three".