1232231443 has 4 divisors (see below), whose sum is σ = 1232870848. Its totient is φ = 1231592040.

The previous prime is 1232231437. The next prime is 1232231471. The reversal of 1232231443 is 3441322321.

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 1232231443 - 2²¹ = 1230134291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232238443) 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, 316803 + ... + 320668.

It is an arithmetic number, because the mean of its divisors is an integer number (308217712).

Almost surely, 2^1232231443 is an apocalyptic number.

1232231443 is a deficient number, since it is larger than the sum of its proper divisors (639405).

1232231443 is an equidigital number, since it uses as much as digits as its factorization.

1232231443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639404.

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

The square root of 1232231443 is about 35103.1543169556. The cubic root of 1232231443 is about 1072.0888078368.

Adding to 1232231443 its reverse (3441322321), we get a palindrome (4673553764).

The spelling of 1232231443 in words is "one billion, two hundred thirty-two million, two hundred thirty-one thousand, four hundred forty-three".