2609423 has 2 divisors, whose sum is σ = 2609424. Its totient is φ = 2609422.

The previous prime is 2609417. The next prime is 2609443. The reversal of 2609423 is 3249062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2609423 - 2⁴ = 2609407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2609392 and 2609401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2609413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304711 + 1304712.

It is an arithmetic number, because the mean of its divisors is an integer number (1304712).

2^2609423 is an apocalyptic number.

2609423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2609423 is an equidigital number, since it uses as much as digits as its factorization.

2609423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2609423 is about 1615.3708552527. The cubic root of 2609423 is about 137.6728053227.

The spelling of 2609423 in words is "two million, six hundred nine thousand, four hundred twenty-three".