12353493653 has 4 divisors (see below), whose sum is σ = 12353721600. Its totient is φ = 12353265708.

The previous prime is 12353493641. The next prime is 12353493667. The reversal of 12353493653 is 35639435321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12353493653 - 2⁶ = 12353493589 is a prime.

It is a super-2 number, since 2×12353493653² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12353493673) 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, 19148 + ... + 158346.

It is an arithmetic number, because the mean of its divisors is an integer number (3088430400).

Almost surely, 2^12353493653 is an apocalyptic number.

It is an amenable number.

12353493653 is a deficient number, since it is larger than the sum of its proper divisors (227947).

12353493653 is an equidigital number, since it uses as much as digits as its factorization.

12353493653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227946.

The product of its digits is 874800, while the sum is 44.

The spelling of 12353493653 in words is "twelve billion, three hundred fifty-three million, four hundred ninety-three thousand, six hundred fifty-three".