2856313123 has 8 divisors (see below), whose sum is σ = 3121891200. Its totient is φ = 2601575040.

The previous prime is 2856313099. The next prime is 2856313147. The reversal of 2856313123 is 3213136582.

It is an interprime number because it is at equal distance from previous prime (2856313099) and next prime (2856313147).

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 2856313123 - 2²⁹ = 2319442211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2856313183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2709448 + ... + 2710501.

It is an arithmetic number, because the mean of its divisors is an integer number (390236400).

Almost surely, 2^2856313123 is an apocalyptic number.

2856313123 is a deficient number, since it is larger than the sum of its proper divisors (265578077).

2856313123 is a wasteful number, since it uses less digits than its factorization.

2856313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419997.

The product of its digits is 25920, while the sum is 34.

The square root of 2856313123 is about 53444.4863666964. The cubic root of 2856313123 is about 1418.8460377898.

The spelling of 2856313123 in words is "two billion, eight hundred fifty-six million, three hundred thirteen thousand, one hundred twenty-three".