112223213122123 has 4 divisors (see below), whose sum is σ = 112226433612480. Its totient is φ = 112219992631768.

The previous prime is 112223213122121. The next prime is 112223213122147. The reversal of 112223213122123 is 321221312322211.

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 112223213122123 - 2¹ = 112223213122121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112223213122091 and 112223213122100.

It is not an unprimeable number, because it can be changed into a prime (112223213122121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610192908 + ... + 1610262601.

It is an arithmetic number, because the mean of its divisors is an integer number (28056608403120).

Almost surely, 2^{112223213122123} is an apocalyptic number.

112223213122123 is a deficient number, since it is larger than the sum of its proper divisors (3220490357).

112223213122123 is an equidigital number, since it uses as much as digits as its factorization.

112223213122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220490356.

The product of its digits is 3456, while the sum is 28.

Adding to 112223213122123 its reverse (321221312322211), we get a palindrome (433444525444334).

The spelling of 112223213122123 in words is "one hundred twelve trillion, two hundred twenty-three billion, two hundred thirteen million, one hundred twenty-two thousand, one hundred twenty-three".