27500423 has 2 divisors, whose sum is σ = 27500424. Its totient is φ = 27500422.

The previous prime is 27500401. The next prime is 27500443. The reversal of 27500423 is 32400572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27500423 - 2⁸ = 27500167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27500443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13750211 + 13750212.

It is an arithmetic number, because the mean of its divisors is an integer number (13750212).

Almost surely, 2^27500423 is an apocalyptic number.

27500423 is a deficient number, since it is larger than the sum of its proper divisors (1).

27500423 is an equidigital number, since it uses as much as digits as its factorization.

27500423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 27500423 is about 5244.0845721632. The cubic root of 27500423 is about 301.8420844507.

Adding to 27500423 its reverse (32400572), we get a palindrome (59900995).

The spelling of 27500423 in words is "twenty-seven million, five hundred thousand, four hundred twenty-three".