99844523 has 2 divisors, whose sum is σ = 99844524. Its totient is φ = 99844522.

The previous prime is 99844499. The next prime is 99844529. The reversal of 99844523 is 32544899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99844523 - 2¹⁴ = 99828139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (99844529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49922261 + 49922262.

It is an arithmetic number, because the mean of its divisors is an integer number (49922262).

Almost surely, 2^99844523 is an apocalyptic number.

99844523 is a deficient number, since it is larger than the sum of its proper divisors (1).

99844523 is an equidigital number, since it uses as much as digits as its factorization.

99844523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 99844523 is about 9992.2231260115. The cubic root of 99844523 is about 463.9182051494.

The spelling of 99844523 in words is "ninety-nine million, eight hundred forty-four thousand, five hundred twenty-three".