10857478523 has 4 divisors (see below), whose sum is σ = 10994915040. Its totient is φ = 10720042008.

The previous prime is 10857478517. The next prime is 10857478531. The reversal of 10857478523 is 32587475801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10857478523 - 2⁶ = 10857478459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10857438523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68718140 + ... + 68718297.

It is an arithmetic number, because the mean of its divisors is an integer number (2748728760).

Almost surely, 2^10857478523 is an apocalyptic number.

10857478523 is a deficient number, since it is larger than the sum of its proper divisors (137436517).

10857478523 is an equidigital number, since it uses as much as digits as its factorization.

10857478523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137436516.

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 10857478523 in words is "ten billion, eight hundred fifty-seven million, four hundred seventy-eight thousand, five hundred twenty-three".