13453531523 has 8 divisors (see below), whose sum is σ = 13537724928. Its totient is φ = 13369381704.

The previous prime is 13453531499. The next prime is 13453531537. The reversal of 13453531523 is 32513535431.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13453531523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13453531573) 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, 790340 + ... + 807182.

It is an arithmetic number, because the mean of its divisors is an integer number (1692215616).

Almost surely, 2^13453531523 is an apocalyptic number.

13453531523 is a deficient number, since it is larger than the sum of its proper divisors (84193405).

13453531523 is a wasteful number, since it uses less digits than its factorization.

13453531523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21793.

The product of its digits is 81000, while the sum is 35.

The spelling of 13453531523 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-one thousand, five hundred twenty-three".