26681023 has 2 divisors, whose sum is σ = 26681024. Its totient is φ = 26681022.

The previous prime is 26681009. The next prime is 26681047. The reversal of 26681023 is 32018662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26681023 - 2⁵ = 26680991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26680982 and 26681000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26681003) 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, 13340511 + 13340512.

It is an arithmetic number, because the mean of its divisors is an integer number (13340512).

Almost surely, 2^26681023 is an apocalyptic number.

26681023 is a deficient number, since it is larger than the sum of its proper divisors (1).

26681023 is an equidigital number, since it uses as much as digits as its factorization.

26681023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 26681023 is about 5165.3676539042. The cubic root of 26681023 is about 298.8139206024.

Adding to 26681023 its reverse (32018662), we get a palindrome (58699685).

The spelling of 26681023 in words is "twenty-six million, six hundred eighty-one thousand, twenty-three".