12353653423 has 4 divisors (see below), whose sum is σ = 12354019200. Its totient is φ = 12353287648.

The previous prime is 12353653391. The next prime is 12353653457. The reversal of 12353653423 is 32435635321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12353653423 - 2⁵ = 12353653391 is a prime.

It is a super-2 number, since 2×12353653423² (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 (12353653523) 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, 126415 + ... + 201712.

It is an arithmetic number, because the mean of its divisors is an integer number (3088504800).

Almost surely, 2^12353653423 is an apocalyptic number.

12353653423 is a deficient number, since it is larger than the sum of its proper divisors (365777).

12353653423 is an equidigital number, since it uses as much as digits as its factorization.

12353653423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365776.

The product of its digits is 194400, while the sum is 37.

The spelling of 12353653423 in words is "twelve billion, three hundred fifty-three million, six hundred fifty-three thousand, four hundred twenty-three".