1321232344 has 32 divisors (see below), whose sum is σ = 2589199200. Its totient is φ = 631249920.

The previous prime is 1321232321. The next prime is 1321232347. The reversal of 1321232344 is 4432321231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321232347) 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, 6852 + ... + 51859.

It is an arithmetic number, because the mean of its divisors is an integer number (80912475).

Almost surely, 2^1321232344 is an apocalyptic number.

It is an amenable number.

1321232344 is a deficient number, since it is larger than the sum of its proper divisors (1267966856).

1321232344 is a wasteful number, since it uses less digits than its factorization.

1321232344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58843 (or 58839 counting only the distinct ones).

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

The square root of 1321232344 is about 36348.7598688043. The cubic root of 1321232344 is about 1097.3025764510.

Adding to 1321232344 its reverse (4432321231), we get a palindrome (5753553575).

The spelling of 1321232344 in words is "one billion, three hundred twenty-one million, two hundred thirty-two thousand, three hundred forty-four".