26719423 has 2 divisors, whose sum is σ = 26719424. Its totient is φ = 26719422.

The previous prime is 26719409. The next prime is 26719463. The reversal of 26719423 is 32491762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26719423 - 2⁵ = 26719391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26719463) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13359711 + 13359712.

It is an arithmetic number, because the mean of its divisors is an integer number (13359712).

Almost surely, 2^26719423 is an apocalyptic number.

26719423 is a deficient number, since it is larger than the sum of its proper divisors (1).

26719423 is an equidigital number, since it uses as much as digits as its factorization.

26719423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 26719423 is about 5169.0833810261. The cubic root of 26719423 is about 298.9572053904.

The spelling of 26719423 in words is "twenty-six million, seven hundred nineteen thousand, four hundred twenty-three".