13523430155 has 8 divisors (see below), whose sum is σ = 16249114512. Its totient is φ = 10804745248.

The previous prime is 13523430103. The next prime is 13523430157. The reversal of 13523430155 is 55103432531.

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

It is a cyclic number.

It is not a de Polignac number, because 13523430155 - 2¹⁰ = 13523429131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13523430157) 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, 1745609 + ... + 1753338.

It is an arithmetic number, because the mean of its divisors is an integer number (2031139314).

Almost surely, 2^13523430155 is an apocalyptic number.

13523430155 is a deficient number, since it is larger than the sum of its proper divisors (2725684357).

13523430155 is an equidigital number, since it uses as much as digits as its factorization.

13523430155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499725.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 13523430155 its reverse (55103432531), we get a palindrome (68626862686).

The spelling of 13523430155 in words is "thirteen billion, five hundred twenty-three million, four hundred thirty thousand, one hundred fifty-five".