13435441523 has 32 divisors (see below), whose sum is σ = 16011465600. Its totient is φ = 11030390784.

The previous prime is 13435441511. The next prime is 13435441531. The reversal of 13435441523 is 32514453431.

It is not a de Polignac number, because 13435441523 - 2⁴ = 13435441507 is a prime.

It is a super-2 number, since 2×13435441523² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13435441583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18949493 + ... + 18950201.

It is an arithmetic number, because the mean of its divisors is an integer number (500358300).

Almost surely, 2^13435441523 is an apocalyptic number.

13435441523 is a deficient number, since it is larger than the sum of its proper divisors (2576024077).

13435441523 is a wasteful number, since it uses less digits than its factorization.

13435441523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359.

The product of its digits is 86400, while the sum is 35.

Adding to 13435441523 its reverse (32514453431), we get a palindrome (45949894954).

The spelling of 13435441523 in words is "thirteen billion, four hundred thirty-five million, four hundred forty-one thousand, five hundred twenty-three".