99966323 has 4 divisors (see below), whose sum is σ = 102404568. Its totient is φ = 97528080.

The previous prime is 99966301. The next prime is 99966329. The reversal of 99966323 is 32366999.

99966323 is nontrivially palindromic in base 15.

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 99966323 - 2⁶ = 99966259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99966329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219061 + ... + 1219142.

It is an arithmetic number, because the mean of its divisors is an integer number (25601142).

Almost surely, 2^99966323 is an apocalyptic number.

99966323 is a deficient number, since it is larger than the sum of its proper divisors (2438245).

99966323 is a wasteful number, since it uses less digits than its factorization.

99966323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438244.

The product of its digits is 472392, while the sum is 47.

The square root of 99966323 is about 9998.3160082086. The cubic root of 99966323 is about 464.1067725820.

The spelling of 99966323 in words is "ninety-nine million, nine hundred sixty-six thousand, three hundred twenty-three".