113212223123 has 8 divisors (see below), whose sum is σ = 113580163440. Its totient is φ = 112844523040.

The previous prime is 113212223077. The next prime is 113212223167. The reversal of 113212223123 is 321322212311.

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 113212223123 - 2¹⁰ = 113212222099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113212220123) 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 7 ways as a sum of consecutive naturals, for example, 909293 + ... + 1026273.

It is an arithmetic number, because the mean of its divisors is an integer number (14197520430).

Almost surely, 2^113212223123 is an apocalyptic number.

113212223123 is a deficient number, since it is larger than the sum of its proper divisors (367940317).

113212223123 is a wasteful number, since it uses less digits than its factorization.

113212223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120117.

The product of its digits is 864, while the sum is 23.

Adding to 113212223123 its reverse (321322212311), we get a palindrome (434534435434).

The spelling of 113212223123 in words is "one hundred thirteen billion, two hundred twelve million, two hundred twenty-three thousand, one hundred twenty-three".