1231434232 has 32 divisors (see below), whose sum is σ = 2777673600. Its totient is φ = 499980384.

The previous prime is 1231434187. The next prime is 1231434257. The reversal of 1231434232 is 2324341321.

It is a junction number, because it is equal to n+sod(n) for n = 1231434197 and 1231434206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577618 + ... + 579745.

It is an arithmetic number, because the mean of its divisors is an integer number (86802300).

Almost surely, 2^1231434232 is an apocalyptic number.

It is an amenable number.

1231434232 is an abundant number, since it is smaller than the sum of its proper divisors (1546239368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231434232 is a wasteful number, since it uses less digits than its factorization.

1231434232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157395 (or 1157391 counting only the distinct ones).

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

The square root of 1231434232 is about 35091.7972181534. The cubic root of 1231434232 is about 1071.8575565357.

Adding to 1231434232 its reverse (2324341321), we get a palindrome (3555775553).

The spelling of 1231434232 in words is "one billion, two hundred thirty-one million, four hundred thirty-four thousand, two hundred thirty-two".