99613223 has 4 divisors (see below), whose sum is σ = 99710688. Its totient is φ = 99515760.

The previous prime is 99613187. The next prime is 99613237. The reversal of 99613223 is 32231699.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99613223 - 2¹² = 99609127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99613243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47183 + ... + 49248.

It is an arithmetic number, because the mean of its divisors is an integer number (24927672).

Almost surely, 2^99613223 is an apocalyptic number.

99613223 is a deficient number, since it is larger than the sum of its proper divisors (97465).

99613223 is a wasteful number, since it uses less digits than its factorization.

99613223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97464.

The product of its digits is 17496, while the sum is 35.

The square root of 99613223 is about 9980.6424141936. The cubic root of 99613223 is about 463.5596902475.

The spelling of 99613223 in words is "ninety-nine million, six hundred thirteen thousand, two hundred twenty-three".