26131823 has 4 divisors (see below), whose sum is σ = 26283048. Its totient is φ = 25980600.

The previous prime is 26131817. The next prime is 26131829. The reversal of 26131823 is 32813162.

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

It is an interprime number because it is at equal distance from previous prime (26131817) and next prime (26131829).

It is a cyclic number.

It is not a de Polignac number, because 26131823 - 2⁶ = 26131759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26131792 and 26131801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26131829) 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 in 3 ways as a sum of consecutive naturals, for example, 75353 + ... + 75698.

It is an arithmetic number, because the mean of its divisors is an integer number (6570762).

Almost surely, 2^26131823 is an apocalyptic number.

26131823 is a deficient number, since it is larger than the sum of its proper divisors (151225).

26131823 is a wasteful number, since it uses less digits than its factorization.

26131823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151224.

The product of its digits is 1728, while the sum is 26.

The square root of 26131823 is about 5111.9294791693. The cubic root of 26131823 is about 296.7494362889.

Adding to 26131823 its reverse (32813162), we get a palindrome (58944985).

The spelling of 26131823 in words is "twenty-six million, one hundred thirty-one thousand, eight hundred twenty-three".