2864123 has 4 divisors (see below), whose sum is σ = 2868240. Its totient is φ = 2860008.

The previous prime is 2864093. The next prime is 2864129. The reversal of 2864123 is 3214682.

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 2864123 - 2⁸ = 2863867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2864092 and 2864101.

It is not an unprimeable number, because it can be changed into a prime (2864129) 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, 728 + ... + 2501.

It is an arithmetic number, because the mean of its divisors is an integer number (717060).

2^2864123 is an apocalyptic number.

2864123 is a deficient number, since it is larger than the sum of its proper divisors (4117).

2864123 is an equidigital number, since it uses as much as digits as its factorization.

2864123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116.

The product of its digits is 2304, while the sum is 26.

The square root of 2864123 is about 1692.3720040228. The cubic root of 2864123 is about 142.0138021366.

The spelling of 2864123 in words is "two million, eight hundred sixty-four thousand, one hundred twenty-three".