13353411523 has 4 divisors (see below), whose sum is σ = 13393754488. Its totient is φ = 13313068560.

The previous prime is 13353411443. The next prime is 13353411529. The reversal of 13353411523 is 32511435331.

It is a happy number.

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 13353411523 - 2¹³ = 13353403331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13353411529) 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, 20170986 + ... + 20171647.

It is an arithmetic number, because the mean of its divisors is an integer number (3348438622).

Almost surely, 2^13353411523 is an apocalyptic number.

13353411523 is a deficient number, since it is larger than the sum of its proper divisors (40342965).

13353411523 is an equidigital number, since it uses as much as digits as its factorization.

13353411523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40342964.

The product of its digits is 16200, while the sum is 31.

Adding to 13353411523 its reverse (32511435331), we get a palindrome (45864846854).

The spelling of 13353411523 in words is "thirteen billion, three hundred fifty-three million, four hundred eleven thousand, five hundred twenty-three".