2738423 has 2 divisors, whose sum is σ = 2738424. Its totient is φ = 2738422.

The previous prime is 2738389. The next prime is 2738453. The reversal of 2738423 is 3248372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2738423 - 2⁸ = 2738167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2738453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369211 + 1369212.

It is an arithmetic number, because the mean of its divisors is an integer number (1369212).

2^2738423 is an apocalyptic number.

2738423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738423 is an equidigital number, since it uses as much as digits as its factorization.

2738423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 2738423 is about 1654.8181168938. The cubic root of 2738423 is about 139.9050887318.

The spelling of 2738423 in words is "two million, seven hundred thirty-eight thousand, four hundred twenty-three".