8920423 has 2 divisors, whose sum is σ = 8920424. Its totient is φ = 8920422.

The previous prime is 8920403. The next prime is 8920433. The reversal of 8920423 is 3240298.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8920423 - 2⁵ = 8920391 is a prime.

8920423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8920391 and 8920400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8920403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4460211 + 4460212.

It is an arithmetic number, because the mean of its divisors is an integer number (4460212).

Almost surely, 2^8920423 is an apocalyptic number.

8920423 is a deficient number, since it is larger than the sum of its proper divisors (1).

8920423 is an equidigital number, since it uses as much as digits as its factorization.

8920423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 8920423 is about 2986.7077192119. The cubic root of 8920423 is about 207.3935041657.

The spelling of 8920423 in words is "eight million, nine hundred twenty thousand, four hundred twenty-three".