26497423 has 4 divisors (see below), whose sum is σ = 26526640. Its totient is φ = 26468208.

The previous prime is 26497421. The next prime is 26497453. The reversal of 26497423 is 32479462.

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 26497423 - 2¹ = 26497421 is a prime.

It is a super-2 number, since 2×26497423² = 1404226851281858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26497421) 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, 13203 + ... + 15076.

It is an arithmetic number, because the mean of its divisors is an integer number (6631660).

Almost surely, 2^26497423 is an apocalyptic number.

26497423 is a deficient number, since it is larger than the sum of its proper divisors (29217).

26497423 is an equidigital number, since it uses as much as digits as its factorization.

26497423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29216.

The product of its digits is 72576, while the sum is 37.

The square root of 26497423 is about 5147.5647640413. The cubic root of 26497423 is about 298.1269334480.

The spelling of 26497423 in words is "twenty-six million, four hundred ninety-seven thousand, four hundred twenty-three".