13523435001 has 16 divisors (see below), whose sum is σ = 20221963200. Its totient is φ = 8931363264.

The previous prime is 13523434997. The next prime is 13523435011. The reversal of 13523435001 is 10053432531.

13523435001 is a `hidden beast` number, since 135 + 23 + 4 + 3 + 500 + 1 = 666.

It is not a de Polignac number, because 13523435001 - 2² = 13523434997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13523435011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2337616 + ... + 2343393.

It is an arithmetic number, because the mean of its divisors is an integer number (1263872700).

Almost surely, 2^13523435001 is an apocalyptic number.

It is an amenable number.

13523435001 is a deficient number, since it is larger than the sum of its proper divisors (6698528199).

13523435001 is a wasteful number, since it uses less digits than its factorization.

13523435001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681125 (or 4681119 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 13523435001 its reverse (10053432531), we get a palindrome (23576867532).

The spelling of 13523435001 in words is "thirteen billion, five hundred twenty-three million, four hundred thirty-five thousand, one".