27454248423 has 24 divisors (see below), whose sum is σ = 45366860448. Its totient is φ = 15672370752.

The previous prime is 27454248421. The next prime is 27454248469. The reversal of 27454248423 is 32484245472.

27454248423 is a `hidden beast` number, since 2 + 7 + 4 + 542 + 4 + 84 + 23 = 666.

It is not a de Polignac number, because 27454248423 - 2¹ = 27454248421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27454248421) 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 in 23 ways as a sum of consecutive naturals, for example, 155736 + ... + 281357.

It is an arithmetic number, because the mean of its divisors is an integer number (1890285852).

Almost surely, 2^27454248423 is an apocalyptic number.

27454248423 is a deficient number, since it is larger than the sum of its proper divisors (17912612025).

27454248423 is a wasteful number, since it uses less digits than its factorization.

27454248423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438103 (or 438100 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 45.

The spelling of 27454248423 in words is "twenty-seven billion, four hundred fifty-four million, two hundred forty-eight thousand, four hundred twenty-three".