26278423 has 8 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 25747128.

The previous prime is 26278409. The next prime is 26278429. The reversal of 26278423 is 32487262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26278423 - 2¹⁷ = 26147351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26278429) 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 in 7 ways as a sum of consecutive naturals, for example, 24190 + ... + 25252.

It is an arithmetic number, because the mean of its divisors is an integer number (3351600).

Almost surely, 2^26278423 is an apocalyptic number.

26278423 is a deficient number, since it is larger than the sum of its proper divisors (534377).

26278423 is a wasteful number, since it uses less digits than its factorization.

26278423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541.

The product of its digits is 32256, while the sum is 34.

The square root of 26278423 is about 5126.2484333087. The cubic root of 26278423 is about 297.3033250374.

The spelling of 26278423 in words is "twenty-six million, two hundred seventy-eight thousand, four hundred twenty-three".