1232320212043 has 4 divisors (see below), whose sum is σ = 1235101973688. Its totient is φ = 1229538450400.

The previous prime is 1232320212001. The next prime is 1232320212059. The reversal of 1232320212043 is 3402120232321.

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

It is a cyclic number.

It is not a de Polignac number, because 1232320212043 - 2³⁷ = 1094881258571 is a prime.

It is a super-2 number, since 2×1232320212043² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232320211999 and 1232320212017.

It is not an unprimeable number, because it can be changed into a prime (1232320212073) 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, 1390880158 + ... + 1390881043.

It is an arithmetic number, because the mean of its divisors is an integer number (308775493422).

Almost surely, 2^{1232320212043} is an apocalyptic number.

1232320212043 is a deficient number, since it is larger than the sum of its proper divisors (2781761645).

1232320212043 is an equidigital number, since it uses as much as digits as its factorization.

1232320212043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781761644.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1232320212043 its reverse (3402120232321), we get a palindrome (4634440444364).

The spelling of 1232320212043 in words is "one trillion, two hundred thirty-two billion, three hundred twenty million, two hundred twelve thousand, forty-three".