26859923 has 4 divisors (see below), whose sum is σ = 27366768. Its totient is φ = 26353080.

The previous prime is 26859913. The next prime is 26859941. The reversal of 26859923 is 32995862.

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

It is a cyclic number.

It is not a de Polignac number, because 26859923 - 2¹⁰ = 26858899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26859913) 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, 253343 + ... + 253448.

It is an arithmetic number, because the mean of its divisors is an integer number (6841692).

Almost surely, 2^26859923 is an apocalyptic number.

26859923 is a deficient number, since it is larger than the sum of its proper divisors (506845).

26859923 is an equidigital number, since it uses as much as digits as its factorization.

26859923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506844.

The product of its digits is 233280, while the sum is 44.

The square root of 26859923 is about 5182.6559793218. The cubic root of 26859923 is about 299.4802965105.

The spelling of 26859923 in words is "twenty-six million, eight hundred fifty-nine thousand, nine hundred twenty-three".