28923311423 has 2 divisors, whose sum is σ = 28923311424. Its totient is φ = 28923311422.

The previous prime is 28923311387. The next prime is 28923311441. The reversal of 28923311423 is 32411332982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28923311423 - 2¹⁴ = 28923295039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28923311323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14461655711 + 14461655712.

It is an arithmetic number, because the mean of its divisors is an integer number (14461655712).

Almost surely, 2^28923311423 is an apocalyptic number.

28923311423 is a deficient number, since it is larger than the sum of its proper divisors (1).

28923311423 is an equidigital number, since it uses as much as digits as its factorization.

28923311423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The spelling of 28923311423 in words is "twenty-eight billion, nine hundred twenty-three million, three hundred eleven thousand, four hundred twenty-three".