26426623 has 2 divisors, whose sum is σ = 26426624. Its totient is φ = 26426622.

The previous prime is 26426611. The next prime is 26426633. The reversal of 26426623 is 32662462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26426623 - 2¹⁷ = 26295551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26426633) 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, 13213311 + 13213312.

It is an arithmetic number, because the mean of its divisors is an integer number (13213312).

Almost surely, 2^26426623 is an apocalyptic number.

26426623 is a deficient number, since it is larger than the sum of its proper divisors (1).

26426623 is an equidigital number, since it uses as much as digits as its factorization.

26426623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

The square root of 26426623 is about 5140.6831258112. The cubic root of 26426623 is about 297.8611690603.

The spelling of 26426623 in words is "twenty-six million, four hundred twenty-six thousand, six hundred twenty-three".