26947423 has 2 divisors, whose sum is σ = 26947424. Its totient is φ = 26947422.

The previous prime is 26947399. The next prime is 26947429. The reversal of 26947423 is 32474962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26947423 - 2⁹ = 26946911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26947429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13473711 + 13473712.

It is an arithmetic number, because the mean of its divisors is an integer number (13473712).

Almost surely, 2^26947423 is an apocalyptic number.

26947423 is a deficient number, since it is larger than the sum of its proper divisors (1).

26947423 is an equidigital number, since it uses as much as digits as its factorization.

26947423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 26947423 is about 5191.0907331697. The cubic root of 26947423 is about 299.8051438347.

The spelling of 26947423 in words is "twenty-six million, nine hundred forty-seven thousand, four hundred twenty-three".