13523309834 has 8 divisors (see below), whose sum is σ = 20331173280. Its totient is φ = 6746252076.

The previous prime is 13523309791. The next prime is 13523309887. The reversal of 13523309834 is 43890332531.

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

It is a super-2 number, since 2×13523309834² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13523309791 and 13523309800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7700324 + ... + 7702079.

It is an arithmetic number, because the mean of its divisors is an integer number (2541396660).

Almost surely, 2^13523309834 is an apocalyptic number.

13523309834 is a deficient number, since it is larger than the sum of its proper divisors (6807863446).

13523309834 is a wasteful number, since it uses less digits than its factorization.

13523309834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15402844.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 13523309834 in words is "thirteen billion, five hundred twenty-three million, three hundred nine thousand, eight hundred thirty-four".