13525543423 has 8 divisors (see below), whose sum is σ = 15834782880. Its totient is φ = 11310558720.

The previous prime is 13525543373. The next prime is 13525543453. The reversal of 13525543423 is 32434552531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13525543423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525543453) 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, 23563378 + ... + 23563951.

It is an arithmetic number, because the mean of its divisors is an integer number (1979347860).

Almost surely, 2^13525543423 is an apocalyptic number.

13525543423 is a deficient number, since it is larger than the sum of its proper divisors (2309239457).

13525543423 is an equidigital number, since it uses as much as digits as its factorization.

13525543423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47127377.

The product of its digits is 216000, while the sum is 37.

The spelling of 13525543423 in words is "thirteen billion, five hundred twenty-five million, five hundred forty-three thousand, four hundred twenty-three".