1232442321 has 8 divisors (see below), whose sum is σ = 1792643424. Its totient is φ = 746934720.

The previous prime is 1232442313. The next prime is 1232442331.

It is a happy number.

1232442321 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1232442321 - 2³ = 1232442313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232442291 and 1232442300.

It is not an unprimeable number, because it can be changed into a prime (1232442301) 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, 18673336 + ... + 18673401.

It is an arithmetic number, because the mean of its divisors is an integer number (224080428).

Almost surely, 2^1232442321 is an apocalyptic number.

1232442321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1232442321 is a deficient number, since it is larger than the sum of its proper divisors (560201103).

1232442321 is a wasteful number, since it uses less digits than its factorization.

1232442321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37346751.

The product of its digits is 2304, while the sum is 24.

The square root of 1232442321 is about 35106.1578786400. The cubic root of 1232442321 is about 1072.1499616753.

It can be divided in two parts, 12324 and 42321, that added together give a palindrome (54645).

The spelling of 1232442321 in words is "one billion, two hundred thirty-two million, four hundred forty-two thousand, three hundred twenty-one".