26423653 has 2 divisors, whose sum is σ = 26423654. Its totient is φ = 26423652.

The previous prime is 26423599. The next prime is 26423659. The reversal of 26423653 is 35632462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14152644 + 12271009 = 3762^2 + 3503^2 .

It is a cyclic number.

It is not a de Polignac number, because 26423653 - 2⁹ = 26423141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26423659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13211826 + 13211827.

It is an arithmetic number, because the mean of its divisors is an integer number (13211827).

Almost surely, 2^26423653 is an apocalyptic number.

It is an amenable number.

26423653 is a deficient number, since it is larger than the sum of its proper divisors (1).

26423653 is an equidigital number, since it uses as much as digits as its factorization.

26423653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 31.

The square root of 26423653 is about 5140.3942455808. The cubic root of 26423653 is about 297.8500101012.

The spelling of 26423653 in words is "twenty-six million, four hundred twenty-three thousand, six hundred fifty-three".