27298423 has 4 divisors (see below), whose sum is σ = 27672448. Its totient is φ = 26924400.

The previous prime is 27298409. The next prime is 27298441. The reversal of 27298423 is 32489272.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27298423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27299423) 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, 186903 + ... + 187048.

It is an arithmetic number, because the mean of its divisors is an integer number (6918112).

Almost surely, 2^27298423 is an apocalyptic number.

27298423 is a deficient number, since it is larger than the sum of its proper divisors (374025).

27298423 is an equidigital number, since it uses as much as digits as its factorization.

27298423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374024.

The product of its digits is 48384, while the sum is 37.

The square root of 27298423 is about 5224.7892780475. The cubic root of 27298423 is about 301.1012231164.

The spelling of 27298423 in words is "twenty-seven million, two hundred ninety-eight thousand, four hundred twenty-three".