2609123 has 6 divisors (see below), whose sum is σ = 2868012. Its totient is φ = 2371820.

The previous prime is 2609107. The next prime is 2609147. The reversal of 2609123 is 3219062.

It is not a de Polignac number, because 2609123 - 2⁴ = 2609107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2609423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10661 + ... + 10902.

It is an arithmetic number, because the mean of its divisors is an integer number (478002).

2^2609123 is an apocalyptic number.

2609123 is a deficient number, since it is larger than the sum of its proper divisors (258889).

2609123 is a wasteful number, since it uses less digits than its factorization.

2609123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21585 (or 21574 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2609123 is about 1615.2779946498. The cubic root of 2609123 is about 137.6675291340.

The spelling of 2609123 in words is "two million, six hundred nine thousand, one hundred twenty-three".