27907423 has 2 divisors, whose sum is σ = 27907424. Its totient is φ = 27907422.

The previous prime is 27907403. The next prime is 27907427. The reversal of 27907423 is 32470972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27907423 - 2⁵ = 27907391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27907427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13953711 + 13953712.

It is an arithmetic number, because the mean of its divisors is an integer number (13953712).

Almost surely, 2^27907423 is an apocalyptic number.

27907423 is a deficient number, since it is larger than the sum of its proper divisors (1).

27907423 is an equidigital number, since it uses as much as digits as its factorization.

27907423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 27907423 is about 5282.7476752160. The cubic root of 27907423 is about 303.3238630327.

The spelling of 27907423 in words is "twenty-seven million, nine hundred seven thousand, four hundred twenty-three".