26840223 has 6 divisors (see below), whose sum is σ = 38769224. Its totient is φ = 17893476.

The previous prime is 26840173. The next prime is 26840227. The reversal of 26840223 is 32204862.

It is not a de Polignac number, because 26840223 - 2⁹ = 26839711 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 (26840227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1491115 + ... + 1491132.

Almost surely, 2^26840223 is an apocalyptic number.

26840223 is a deficient number, since it is larger than the sum of its proper divisors (11929001).

26840223 is a wasteful number, since it uses less digits than its factorization.

26840223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982253 (or 2982250 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 26840223 is about 5180.7550607995. The cubic root of 26840223 is about 299.4070621879.

The spelling of 26840223 in words is "twenty-six million, eight hundred forty thousand, two hundred twenty-three".