113123444140240 has 80 divisors (see below), whose sum is σ = 265996196738640. Its totient is φ = 44736079646720.

The previous prime is 113123444140177. The next prime is 113123444140271. The reversal of 113123444140240 is 42041444321311.

It can be written as a sum of positive squares in 8 ways, for example, as 153670272064 + 112969773868176 = 392008^2 + 10628724^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×113123444140240² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113123444140196 and 113123444140205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64792002 + ... + 66515038.

It is an arithmetic number, because the mean of its divisors is an integer number (3324952459233).

Almost surely, 2^{113123444140240} is an apocalyptic number.

113123444140240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113123444140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132998098369320).

113123444140240 is an abundant number, since it is smaller than the sum of its proper divisors (152872752598400).

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

113123444140240 is a wasteful number, since it uses less digits than its factorization.

113123444140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732360 (or 1732354 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 113123444140240 its reverse (42041444321311), we get a palindrome (155164888461551).

The spelling of 113123444140240 in words is "one hundred thirteen trillion, one hundred twenty-three billion, four hundred forty-four million, one hundred forty thousand, two hundred forty".