13453533523 has 2 divisors, whose sum is σ = 13453533524. Its totient is φ = 13453533522.

The previous prime is 13453533503. The next prime is 13453533553. The reversal of 13453533523 is 32533535431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13453533523 is a prime.

It is not a weakly prime, because it can be changed into another prime (13453533503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6726766761 + 6726766762.

It is an arithmetic number, because the mean of its divisors is an integer number (6726766762).

Almost surely, 2^13453533523 is an apocalyptic number.

13453533523 is a deficient number, since it is larger than the sum of its proper divisors (1).

13453533523 is an equidigital number, since it uses as much as digits as its factorization.

13453533523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 37.

The spelling of 13453533523 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-three thousand, five hundred twenty-three".