2655123 has 4 divisors (see below), whose sum is σ = 3540168. Its totient is φ = 1770080.

The previous prime is 2655113. The next prime is 2655127. The reversal of 2655123 is 3215562.

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 2655123 - 2²⁰ = 1606547 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2655093 and 2655102.

It is not an unprimeable number, because it can be changed into a prime (2655127) 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, 442518 + ... + 442523.

It is an arithmetic number, because the mean of its divisors is an integer number (885042).

2^2655123 is an apocalyptic number.

2655123 is a deficient number, since it is larger than the sum of its proper divisors (885045).

2655123 is an equidigital number, since it uses as much as digits as its factorization.

2655123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885044.

The product of its digits is 1800, while the sum is 24.

The square root of 2655123 is about 1629.4548168022. The cubic root of 2655123 is about 138.4718671545.

The spelling of 2655123 in words is "two million, six hundred fifty-five thousand, one hundred twenty-three".