2743423 has 2 divisors, whose sum is σ = 2743424. Its totient is φ = 2743422.

The previous prime is 2743397. The next prime is 2743457. The reversal of 2743423 is 3243472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2743423 - 2¹³ = 2735231 is a prime.

2743423 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2743483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371711 + 1371712.

It is an arithmetic number, because the mean of its divisors is an integer number (1371712).

2^2743423 is an apocalyptic number.

2743423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2743423 is an equidigital number, since it uses as much as digits as its factorization.

2743423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 25.

The square root of 2743423 is about 1656.3281679667. The cubic root of 2743423 is about 139.9901863869.

Adding to 2743423 its reverse (3243472), we get a palindrome (5986895).

The spelling of 2743423 in words is "two million, seven hundred forty-three thousand, four hundred twenty-three".