7975423 has 2 divisors, whose sum is σ = 7975424. Its totient is φ = 7975422.

The previous prime is 7975417. The next prime is 7975433. The reversal of 7975423 is 3245797.

It is a weak prime.

It is an emirp because it is prime and its reverse (3245797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7975423 - 2¹³ = 7967231 is a prime.

7975423 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7975433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3987711 + 3987712.

It is an arithmetic number, because the mean of its divisors is an integer number (3987712).

Almost surely, 2^7975423 is an apocalyptic number.

7975423 is a deficient number, since it is larger than the sum of its proper divisors (1).

7975423 is an equidigital number, since it uses as much as digits as its factorization.

7975423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 7975423 is about 2824.0791419505. The cubic root of 7975423 is about 199.7949815757.

The spelling of 7975423 in words is "seven million, nine hundred seventy-five thousand, four hundred twenty-three".