112323313278 has 64 divisors (see below), whose sum is σ = 272788611840. Its totient is φ = 33976159200.

The previous prime is 112323313243. The next prime is 112323313279. The reversal of 112323313278 is 872313323211.

112323313278 is a `hidden beast` number, since 1 + 1 + 2 + 323 + 3 + 1 + 327 + 8 = 666.

It is a super-2 number, since 2×112323313278² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112323313279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161113 + ... + 500603.

It is an arithmetic number, because the mean of its divisors is an integer number (4262322060).

Almost surely, 2^112323313278 is an apocalyptic number.

112323313278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112323313278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136394305920).

112323313278 is an abundant number, since it is smaller than the sum of its proper divisors (160465298562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112323313278 is a wasteful number, since it uses less digits than its factorization.

112323313278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340070 (or 340064 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

Adding to 112323313278 its reverse (872313323211), we get a palindrome (984636636489).

The spelling of 112323313278 in words is "one hundred twelve billion, three hundred twenty-three million, three hundred thirteen thousand, two hundred seventy-eight".