2587423 has 2 divisors, whose sum is σ = 2587424. Its totient is φ = 2587422.

The previous prime is 2587421. The next prime is 2587441. The reversal of 2587423 is 3247852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2587423 - 2¹ = 2587421 is a prime.

Together with 2587421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2587421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1293711 + 1293712.

It is an arithmetic number, because the mean of its divisors is an integer number (1293712).

2^2587423 is an apocalyptic number.

2587423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2587423 is an equidigital number, since it uses as much as digits as its factorization.

2587423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 31.

The square root of 2587423 is about 1608.5468597464. The cubic root of 2587423 is about 137.2848071923.

The spelling of 2587423 in words is "two million, five hundred eighty-seven thousand, four hundred twenty-three".