12553353343 has 4 divisors (see below), whose sum is σ = 12704598648. Its totient is φ = 12402108040.

The previous prime is 12553353341. The next prime is 12553353389. The reversal of 12553353343 is 34335335521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34335335521 = 10723 ⋅3202027.

It is a cyclic number.

It is not a de Polignac number, because 12553353343 - 2¹ = 12553353341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553353341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75622528 + ... + 75622693.

It is an arithmetic number, because the mean of its divisors is an integer number (3176149662).

Almost surely, 2^12553353343 is an apocalyptic number.

12553353343 is a deficient number, since it is larger than the sum of its proper divisors (151245305).

12553353343 is an equidigital number, since it uses as much as digits as its factorization.

12553353343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151245304.

The product of its digits is 243000, while the sum is 37.

Adding to 12553353343 its reverse (34335335521), we get a palindrome (46888688864).

It can be divided in two parts, 12 and 553353343, that added together give a palindrome (553353355).

The spelling of 12553353343 in words is "twelve billion, five hundred fifty-three million, three hundred fifty-three thousand, three hundred forty-three".