28588132723 has 4 divisors (see below), whose sum is σ = 28850409280. Its totient is φ = 28325856168.

The previous prime is 28588132717. The next prime is 28588132753. The reversal of 28588132723 is 32723188582.

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

It is a cyclic number.

It is not a de Polignac number, because 28588132723 - 2¹³ = 28588124531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28588132753) 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, 131138115 + ... + 131138332.

It is an arithmetic number, because the mean of its divisors is an integer number (7212602320).

Almost surely, 2^28588132723 is an apocalyptic number.

28588132723 is a deficient number, since it is larger than the sum of its proper divisors (262276557).

28588132723 is a wasteful number, since it uses less digits than its factorization.

28588132723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262276556.

The product of its digits is 1290240, while the sum is 49.

The spelling of 28588132723 in words is "twenty-eight billion, five hundred eighty-eight million, one hundred thirty-two thousand, seven hundred twenty-three".