112323221999 has 4 divisors (see below), whose sum is σ = 112326637320. Its totient is φ = 112319806680.

The previous prime is 112323221993. The next prime is 112323222019. The reversal of 112323221999 is 999122323211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999122323211 = 65071 ⋅15354341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112323221999 is a prime.

It is a super-4 number, since 4×112323221999⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112323221993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657844 + ... + 1724265.

It is an arithmetic number, because the mean of its divisors is an integer number (28081659330).

Almost surely, 2^112323221999 is an apocalyptic number.

112323221999 is a deficient number, since it is larger than the sum of its proper divisors (3415321).

112323221999 is an equidigital number, since it uses as much as digits as its factorization.

112323221999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415320.

The product of its digits is 104976, while the sum is 44.

The spelling of 112323221999 in words is "one hundred twelve billion, three hundred twenty-three million, two hundred twenty-one thousand, nine hundred ninety-nine".