13857768523 has 8 divisors (see below), whose sum is σ = 14367564000. Its totient is φ = 13350102528.

The previous prime is 13857768497. The next prime is 13857768553. The reversal of 13857768523 is 32586775831.

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

It is a cyclic number.

It is not a de Polignac number, because 13857768523 - 2²⁵ = 13824214091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13857768553) 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 7 ways as a sum of consecutive naturals, for example, 519111 + ... + 545152.

It is an arithmetic number, because the mean of its divisors is an integer number (1795945500).

Almost surely, 2^13857768523 is an apocalyptic number.

13857768523 is a deficient number, since it is larger than the sum of its proper divisors (509795477).

13857768523 is a wasteful number, since it uses less digits than its factorization.

13857768523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064741.

The product of its digits is 8467200, while the sum is 55.

The spelling of 13857768523 in words is "thirteen billion, eight hundred fifty-seven million, seven hundred sixty-eight thousand, five hundred twenty-three".