1232431443 has 40 divisors (see below), whose sum is σ = 1912458240. Its totient is φ = 790086960.

The previous prime is 1232431441. The next prime is 1232431451. The reversal of 1232431443 is 3441342321.

It is not a de Polignac number, because 1232431443 - 2¹ = 1232431441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1232431441) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 417868 + ... + 420806.

It is an arithmetic number, because the mean of its divisors is an integer number (47811456).

Almost surely, 2^1232431443 is an apocalyptic number.

1232431443 is a deficient number, since it is larger than the sum of its proper divisors (680026797).

1232431443 is a wasteful number, since it uses less digits than its factorization.

1232431443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149 (or 3140 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1232431443 is about 35106.0029482139. The cubic root of 1232431443 is about 1072.1468072663.

Adding to 1232431443 its reverse (3441342321), we get a palindrome (4673773764).

The spelling of 1232431443 in words is "one billion, two hundred thirty-two million, four hundred thirty-one thousand, four hundred forty-three".