26081823 has 4 divisors (see below), whose sum is σ = 34775768. Its totient is φ = 17387880.

The previous prime is 26081801. The next prime is 26081833. The reversal of 26081823 is 32818062.

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

It is not a de Polignac number, because 26081823 - 2¹⁰ = 26080799 is a prime.

It is a super-2 number, since 2×26081823² = 1360522982006658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26081833) 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, 4346968 + ... + 4346973.

It is an arithmetic number, because the mean of its divisors is an integer number (8693942).

Almost surely, 2^26081823 is an apocalyptic number.

26081823 is a deficient number, since it is larger than the sum of its proper divisors (8693945).

26081823 is an equidigital number, since it uses as much as digits as its factorization.

26081823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693944.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 26081823 is about 5107.0366162776. The cubic root of 26081823 is about 296.5600510438.

Adding to 26081823 its reverse (32818062), we get a palindrome (58899885).

The spelling of 26081823 in words is "twenty-six million, eighty-one thousand, eight hundred twenty-three".