26853423 has 4 divisors (see below), whose sum is σ = 35804568. Its totient is φ = 17902280.

The previous prime is 26853377. The next prime is 26853427. The reversal of 26853423 is 32435862.

It is a happy number.

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 26853423 - 2²⁰ = 25804847 is a prime.

It is a super-2 number, since 2×26853423² = 1442212653633858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26853427) 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, 4475568 + ... + 4475573.

It is an arithmetic number, because the mean of its divisors is an integer number (8951142).

Almost surely, 2^26853423 is an apocalyptic number.

26853423 is a deficient number, since it is larger than the sum of its proper divisors (8951145).

26853423 is an equidigital number, since it uses as much as digits as its factorization.

26853423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8951144.

The product of its digits is 34560, while the sum is 33.

The square root of 26853423 is about 5182.0288497846. The cubic root of 26853423 is about 299.4561368610.

Adding to 26853423 its sum of digits (33), we get a triangular number (26853456 = T₇₃₂₈).

The spelling of 26853423 in words is "twenty-six million, eight hundred fifty-three thousand, four hundred twenty-three".