2559123 has 24 divisors (see below), whose sum is σ = 4316000. Its totient is φ = 1460592.

The previous prime is 2559121. The next prime is 2559131. The reversal of 2559123 is 3219552.

It is not a de Polignac number, because 2559123 - 2¹ = 2559121 is a prime.

It is a super-2 number, since 2×2559123² = 13098221058258, which contains 22 as substring.

It is a Duffinian number.

2559123 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2559121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2673 + ... + 3501.

2^2559123 is an apocalyptic number.

2559123 is a deficient number, since it is larger than the sum of its proper divisors (1756877).

2559123 is an equidigital number, since it uses as much as digits as its factorization.

2559123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 839 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 2559123 is about 1599.7259140240. The cubic root of 2559123 is about 136.7824526072.

The spelling of 2559123 in words is "two million, five hundred fifty-nine thousand, one hundred twenty-three".