1243234232 has 32 divisors (see below), whose sum is σ = 2392156800. Its totient is φ = 605409504.

The previous prime is 1243234231. The next prime is 1243234319. The reversal of 1243234232 is 2324323421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243234231) 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, 118463 + ... + 128529.

It is an arithmetic number, because the mean of its divisors is an integer number (74754900).

Almost surely, 2^1243234232 is an apocalyptic number.

It is an amenable number.

1243234232 is a deficient number, since it is larger than the sum of its proper divisors (1148922568).

1243234232 is a wasteful number, since it uses less digits than its factorization.

1243234232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10475 (or 10471 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

The square root of 1243234232 is about 35259.5268260934. The cubic root of 1243234232 is about 1075.2703072197.

Adding to 1243234232 its reverse (2324323421), we get a palindrome (3567557653).

It can be divided in two parts, 12432 and 34232, that added together give a palindrome (46664).

The spelling of 1243234232 in words is "one billion, two hundred forty-three million, two hundred thirty-four thousand, two hundred thirty-two".