112321203123 has 4 divisors (see below), whose sum is σ = 149761604168. Its totient is φ = 74880802080.

The previous prime is 112321203109. The next prime is 112321203161. The reversal of 112321203123 is 321302123211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 112321203123 - 2⁵ = 112321203091 is a prime.

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 112321203123.

It is not an unprimeable number, because it can be changed into a prime (112321203193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18720200518 + ... + 18720200523.

It is an arithmetic number, because the mean of its divisors is an integer number (37440401042).

Almost surely, 2^112321203123 is an apocalyptic number.

112321203123 is a deficient number, since it is larger than the sum of its proper divisors (37440401045).

112321203123 is an equidigital number, since it uses as much as digits as its factorization.

112321203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37440401044.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 112321203123 its reverse (321302123211), we get a palindrome (433623326334).

The spelling of 112321203123 in words is "one hundred twelve billion, three hundred twenty-one million, two hundred three thousand, one hundred twenty-three".