13123523853 has 48 divisors (see below), whose sum is σ = 21490560000. Its totient is φ = 7936904880.

The previous prime is 13123523837. The next prime is 13123523863. The reversal of 13123523853 is 35832532131.

13123523853 is a `hidden beast` number, since 1 + 3 + 123 + 523 + 8 + 5 + 3 = 666.

It is not a de Polignac number, because 13123523853 - 2⁴ = 13123523837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123523863) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1328908 + ... + 1338746.

It is an arithmetic number, because the mean of its divisors is an integer number (447720000).

Almost surely, 2^13123523853 is an apocalyptic number.

It is an amenable number.

13123523853 is a deficient number, since it is larger than the sum of its proper divisors (8367036147).

13123523853 is an equidigital number, since it uses as much as digits as its factorization.

13123523853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10364 (or 10352 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 13123523853 in words is "thirteen billion, one hundred twenty-three million, five hundred twenty-three thousand, eight hundred fifty-three".