26423247 has 4 divisors (see below), whose sum is σ = 35231000. Its totient is φ = 17615496.

The previous prime is 26423233. The next prime is 26423269. The reversal of 26423247 is 74232462.

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

It is not a de Polignac number, because 26423247 - 2⁴ = 26423231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26423207) 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, 4403872 + ... + 4403877.

It is an arithmetic number, because the mean of its divisors is an integer number (8807750).

Almost surely, 2^26423247 is an apocalyptic number.

26423247 is a deficient number, since it is larger than the sum of its proper divisors (8807753).

26423247 is an equidigital number, since it uses as much as digits as its factorization.

26423247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8807752.

The product of its digits is 16128, while the sum is 30.

The square root of 26423247 is about 5140.3547542947. The cubic root of 26423247 is about 297.8484846028.

The spelling of 26423247 in words is "twenty-six million, four hundred twenty-three thousand, two hundred forty-seven".