27429532423 has 2 divisors, whose sum is σ = 27429532424. Its totient is φ = 27429532422.

The previous prime is 27429532393. The next prime is 27429532433. The reversal of 27429532423 is 32423592472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27429532423 - 2¹³ = 27429524231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27429532423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27429532433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13714766211 + 13714766212.

It is an arithmetic number, because the mean of its divisors is an integer number (13714766212).

Almost surely, 2^27429532423 is an apocalyptic number.

27429532423 is a deficient number, since it is larger than the sum of its proper divisors (1).

27429532423 is an equidigital number, since it uses as much as digits as its factorization.

27429532423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 43.

The spelling of 27429532423 in words is "twenty-seven billion, four hundred twenty-nine million, five hundred thirty-two thousand, four hundred twenty-three".