999220022323 has 8 divisors (see below), whose sum is σ = 1000254530016. Its totient is φ = 998185694400.

The previous prime is 999220022321. The next prime is 999220022417. The reversal of 999220022323 is 323220022999.

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

It is a cyclic number.

It is not a de Polignac number, because 999220022323 - 2¹ = 999220022321 is a prime.

It is a super-2 number, since 2×999220022323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 999220022323.

It is not an unprimeable number, because it can be changed into a prime (999220022321) 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, 13016433 + ... + 13092973.

It is an arithmetic number, because the mean of its divisors is an integer number (125031816252).

Almost surely, 2^999220022323 is an apocalyptic number.

999220022323 is a deficient number, since it is larger than the sum of its proper divisors (1034507693).

999220022323 is a wasteful number, since it uses less digits than its factorization.

999220022323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89885.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 999220022323 in words is "nine hundred ninety-nine billion, two hundred twenty million, twenty-two thousand, three hundred twenty-three".