99828523 has 2 divisors, whose sum is σ = 99828524. Its totient is φ = 99828522.

The previous prime is 99828493. The next prime is 99828551. The reversal of 99828523 is 32582899.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99828523 is a prime.

It is not a weakly prime, because it can be changed into another prime (99823523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49914261 + 49914262.

It is an arithmetic number, because the mean of its divisors is an integer number (49914262).

Almost surely, 2^99828523 is an apocalyptic number.

99828523 is a deficient number, since it is larger than the sum of its proper divisors (1).

99828523 is an equidigital number, since it uses as much as digits as its factorization.

99828523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The square root of 99828523 is about 9991.4224713001. The cubic root of 99828523 is about 463.8934229928.

The spelling of 99828523 in words is "ninety-nine million, eight hundred twenty-eight thousand, five hundred twenty-three".