999960223 has 8 divisors (see below), whose sum is σ = 1043935200. Its totient is φ = 956618208.

The previous prime is 999960163. The next prime is 999960229. The reversal of 999960223 is 322069999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999960223 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 (999960229) 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 7 ways as a sum of consecutive naturals, for example, 155011 + ... + 161332.

It is an arithmetic number, because the mean of its divisors is an integer number (130491900).

Almost surely, 2^999960223 is an apocalyptic number.

999960223 is a deficient number, since it is larger than the sum of its proper divisors (43974977).

999960223 is a wasteful number, since it uses less digits than its factorization.

999960223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316481.

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 999960223 is about 31622.1476658370. The cubic root of 999960223 is about 999.9867408242.

The spelling of 999960223 in words is "nine hundred ninety-nine million, nine hundred sixty thousand, two hundred twenty-three".