13357521423 has 54 divisors (see below), whose sum is σ = 20926806264. Its totient is φ = 8194431168.

The previous prime is 13357521403. The next prime is 13357521427. The reversal of 13357521423 is 32412575331.

13357521423 is a `hidden beast` number, since 133 + 57 + 52 + 1 + 423 = 666.

13357521423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13357521423 - 2⁸ = 13357521167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13357521427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 48221961 + ... + 48222237.

Almost surely, 2^13357521423 is an apocalyptic number.

13357521423 is a deficient number, since it is larger than the sum of its proper divisors (7569284841).

13357521423 is an equidigital number, since it uses as much as digits as its factorization.

13357521423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 332 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The spelling of 13357521423 in words is "thirteen billion, three hundred fifty-seven million, five hundred twenty-one thousand, four hundred twenty-three".