26423017 has 4 divisors (see below), whose sum is σ = 26665540. Its totient is φ = 26180496.

The previous prime is 26423011. The next prime is 26423029. The reversal of 26423017 is 71032462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19395216 + 7027801 = 4404^2 + 2651^2 .

It is a cyclic number.

It is not a de Polignac number, because 26423017 - 2¹¹ = 26420969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26422982 and 26423000.

It is not an unprimeable number, because it can be changed into a prime (26423011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121098 + ... + 121315.

It is an arithmetic number, because the mean of its divisors is an integer number (6666385).

Almost surely, 2^26423017 is an apocalyptic number.

It is an amenable number.

26423017 is a deficient number, since it is larger than the sum of its proper divisors (242523).

26423017 is a wasteful number, since it uses less digits than its factorization.

26423017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242522.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 26423017 is about 5140.3323822492. The cubic root of 26423017 is about 297.8476203972.

Adding to 26423017 its reverse (71032462), we get a palindrome (97455479).

The spelling of 26423017 in words is "twenty-six million, four hundred twenty-three thousand, seventeen".