9930523 has 2 divisors, whose sum is σ = 9930524. Its totient is φ = 9930522.

The previous prime is 9930517. The next prime is 9930527. The reversal of 9930523 is 3250399.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9930523 - 2⁵ = 9930491 is a prime.

It is not a weakly prime, because it can be changed into another prime (9930527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4965261 + 4965262.

It is an arithmetic number, because the mean of its divisors is an integer number (4965262).

Almost surely, 2^9930523 is an apocalyptic number.

9930523 is a deficient number, since it is larger than the sum of its proper divisors (1).

9930523 is an equidigital number, since it uses as much as digits as its factorization.

9930523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 9930523 is about 3151.2732347418. The cubic root of 9930523 is about 214.9433634845.

The spelling of 9930523 in words is "nine million, nine hundred thirty thousand, five hundred twenty-three".