28427934923 has 2 divisors, whose sum is σ = 28427934924. Its totient is φ = 28427934922.

The previous prime is 28427934827. The next prime is 28427934989. The reversal of 28427934923 is 32943972482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28427934923 - 2¹⁴ = 28427918539 is a prime.

It is not a weakly prime, because it can be changed into another prime (28427934823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14213967461 + 14213967462.

It is an arithmetic number, because the mean of its divisors is an integer number (14213967462).

Almost surely, 2^28427934923 is an apocalyptic number.

28427934923 is a deficient number, since it is larger than the sum of its proper divisors (1).

28427934923 is an equidigital number, since it uses as much as digits as its factorization.

28427934923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 53.

The spelling of 28427934923 in words is "twenty-eight billion, four hundred twenty-seven million, nine hundred thirty-four thousand, nine hundred twenty-three".