12343421353 has 8 divisors (see below), whose sum is σ = 13081101480. Its totient is φ = 11607029760.

The previous prime is 12343421347. The next prime is 12343421411. The reversal of 12343421353 is 35312434321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2655547024 + 9687874329 = 51532^2 + 98427^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12343421353 - 2⁹ = 12343420841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12343421053) 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, 302368 + ... + 340753.

It is an arithmetic number, because the mean of its divisors is an integer number (1635137685).

Almost surely, 2^12343421353 is an apocalyptic number.

It is an amenable number.

12343421353 is a deficient number, since it is larger than the sum of its proper divisors (737680127).

12343421353 is a wasteful number, since it uses less digits than its factorization.

12343421353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644267.

The product of its digits is 25920, while the sum is 31.

Adding to 12343421353 its reverse (35312434321), we get a palindrome (47655855674).

The spelling of 12343421353 in words is "twelve billion, three hundred forty-three million, four hundred twenty-one thousand, three hundred fifty-three".