13056206523 has 16 divisors (see below), whose sum is σ = 17639416320. Its totient is φ = 8588702304.

The previous prime is 13056206491. The next prime is 13056206677. The reversal of 13056206523 is 32560265031.

It is not a de Polignac number, because 13056206523 - 2⁵ = 13056206491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13056201523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392365 + ... + 424337.

It is an arithmetic number, because the mean of its divisors is an integer number (1102463520).

Almost surely, 2^13056206523 is an apocalyptic number.

13056206523 is a deficient number, since it is larger than the sum of its proper divisors (4583209797).

13056206523 is a wasteful number, since it uses less digits than its factorization.

13056206523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33778.

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 13056206523 in words is "thirteen billion, fifty-six million, two hundred six thousand, five hundred twenty-three".